Re: [mailop] Hotmail/msn/lutlook performing unsolicited updates to users' safe- and blocked-sender lists?

Hey guys, I am not sure I understand your issues correctly, but... Am 13.06.18 um 20:47 schrieb Michael Rathbun: Based on the usual crude tracking pixel and click-tracking links, we often see open rates at hotmail/msn/etc at under half those seen elsewhere. Does this happen "recently"? Then i

Re: [mailop] Expires SSL cert for mailop

hole process and in case that doesn't work for whatever reason it sends you reminders by mail way before the certificate finally expires. If the main process and the backup reminder both fail, you are doing something wrong ;). Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentral

Re: [mailop] What a drag it is reporting abuse

ys wondered why we have mailboxes that allow all crap to come through. Do complaints have to be forwarded (mostly inline anyway so we lose the headers) as is or can we ask people to put "more work" into it? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster -

Re: [mailop] Lot of bitcoin spam now from outlook.com servers?!

rrect sometimes. We have multiple reports from users that were scared because of that. Most people's guest is that the data comes from a hack of some website where users used the same email address and password as they use to. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungsze

Re: [mailop] Pet Peeve of the day, legalese signatures (was: Pet Peeve of the day, Bulk Notice Mailers from Do Not Reply.)

d recipient? If you mistyped the address how do I know you didn't intend to send it to me? I guess, German nitpicking might be good for a career in the legal sector. Fortunately I have decided on IT instead... ;-) Regards Thomas Walter -- Thomas Walter Datenverarbeitungszentrale

Re: [mailop] Just Make It Stop

mp) unsubscribe instead would be amazing though. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83

Re: [mailop] Any t-online.de admins here?

wards to an external provider because of data protection laws (especially if the user is an employee or faculty). We are still working on that ourselves, but it's a pretty solid reason :). Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied

Re: [mailop] [ext] Re: Are there any de facto standards around no-reply@ addresses?

to that. There's always the option to have a noreply address that is a regular mailbox. Just saying... ;) Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908

Re: [mailop] Our customers e-mail constantly going to outlook.com junkmail (any Microsoft people around?)

At least we'd know something might be wrong. Instead I have to deal with abuse messages from Microsoft more or less daily, because users are too stupid to understand the difference between junk and trash. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - Univer

Re: [mailop] Our customers e-mail constantly going to outlook.com junkmail (any Microsoft people around?)

email, it's still the senders responsibility to contact the recipient in a different way. But then a lot of mail admins over here don't know these laws or don't care. :-( Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - C

Re: [mailop] The utility of spam folders

nows something is wrong and can try again, contact the recipient in a different way or ask his postmaster to look into it (who has nice logs of the event). If you sort something into a spam folder, that most people don't bother to look into, mails just get lost. Thomas -- Tho

Re: [mailop] The utility of spam folders

re difficult simply to get your stuff to acceptance at the border if you > ignore this stricture. And force people like me to resubscribe every 90 to 180 days, because I don't allow tracking nonsense in emails? This whole discussion is becoming more and more depressing somehow. Rega

Re: [mailop] The utility of spam folders

lling the sender: "550 Mailbox abandoned for X months" instead of accepting truckloads of poop for them? This is a lot easier than forcing any kind of tracking on the senders, because you actually know if a mailbox is being looked into or not. And it would solve all the other issues you men

Re: [mailop] Admin: Gmail users of mailop suspended due to bounces.

is a test). > > Well the good news is that worked. The bad news is that gmail just > bounced the daily digest so all those list members are now suspended. > > Maybe a slack channel would be easier. Or disable IPv6 (I thought Google only filters these for IPv6 addresse

Re: [mailop] Admin: Gmail users of mailop suspended due to bounces.

record. And no, I don't do SRS, because I don't want to do workarounds to support a protocol that was broken by design in the first place. It's your decision (-all) that you don't want these mails delivered to the recipients, so I don't really care. Regards, Thomas Walter --

Re: [mailop] openspf.org down

hareable) insight? speculations? Speculations: https://news.ycombinator.com/item?id=19391851 Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 8

Re: [mailop] Is Digital Ocean a spammer safe haven?

so IP addresses and they are all listed on at least 10 blacklists. So most of us should be blocking them anyway? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax:

Re: [mailop] What is the story with QQ.COM?

s pronounced “yow-leeyoh-ba-ba" - alibaba.com. I'd guess someone is abusing the system - perhaps similar to all the Skype requests people get / got a while ago? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum

Re: [mailop] Outlook/Hotmail reporting to us that a mail has been declared as SPAM by a recpient, but... ?

On 28.06.19 16:41, Brielle via mailop wrote: > The amount of people who treat the Spam button as a Delete button is > staggering. This is even more difficult with users who speak a different language and don't understand the difference between Trash and Junk... Regards, Th

Re: [mailop] Hotmail: Moving Email to 'spam' folder generates ISP complaint?

s Spam. That's the main reasons why I will not trust customers to train spam filters. > No need to confirm 'yes this is spam I want it reported to the sender > ISP' ? Nope. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applie

Re: [mailop] Guide for setting up a mail server ?

ns where needed, etc. I am not supposed to be able to send emails using their servers anymore, so I didn't get my own account. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +

Re: [mailop] Outlook.com losing eMail messages and SNDS reporting failures

report them as lost. Most mailops I talked to expected it to be a spamfilter issue: E-Mails that got too bad of a score for random reasons were just not delivered, not even into the spamfolder. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University

[mailop] Hotmail complains about their own mail

ould it be possible for Microsoft to not send complaints if the offending mail is a bounce message? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64

Re: [mailop] Hotmail complains about their own mail

On 16.12.23 12:11, ml+mailop--- via mailop wrote: On Sat, Dec 16, 2023, Thomas Walter via mailop wrote: 2. Our server bounces with 550 5.1.1 User doesn't exist. Does your server generate a DSN? If the "User doesn't exist" then it seems you should be able to determine th

Re: [mailop] Hotmail complains about their own mail

27;ve also set up recipient address verification in Postfix - which I know comes with its own problems - to try to keep these low. I am actually not sure why Postfix didn't catch this one which is completely handled locally. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH

Re: [mailop] SMTP smuggling

sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/> just for reference, here is the talk Timo gave at 37C3: https://youtu.be/V8KPV96g1To Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112

Re: [mailop] Is Google jumping the gun for SPF / DKIM requirement?

were irritated by marketing emails from newsletter services. It's SPF or DKIM for < 5000 emails per day, but it's SPF AND DKIM AND DMARC for >=5000 emails per day. That said: Does anyone know if Google identifies "senders" by From:-Domain or IP? Regards, Thoma

Re: [mailop] Spamfolder mini rant (Was: Contact Google Postmaster)

irst place. Yes, I know, spamfolders are used for training, but perhaps there should be other ways? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64

Re: [mailop] Spamfolder mini rant (Was: Contact Google Postmaster)

ocuments and deadlines that got missed, because nobody checked their Spam folder, we just leave them in the Inbox. Yes, I do see my share of Spam this way, but I also do see the Spam if I have to check the Spam folder regularly… Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszen

[mailop] Three word alliterations

https://what3words.com as identifiers? But then a few of them have multiple recipients with different domains. I am not sure what to make of them. Does anyone else get these? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corre

Re: [mailop] problem setting up open-dmarc

On 07.02.24 14:20, Jaroslaw Rafa via mailop wrote: For outgoing, Google requires that you have DMARC record set up. So if you are sending anything to Google, you need that. "If you send 5,000 messages a day or more..." Regards, Thomas Walter -- Thomas Walter Datenverarbeitungsze

[mailop] 2600 Magazine podcast about Gmail issues

DKIM, DMARC, ... yet they get blocked by the Google wall if they include text about a hacker's conference. Regards Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 2

Re: [mailop] Is forwarding to Gmail basically dead?

ed envelope from me containing a letter, you forge my signature on the new envelope. It's actually the equivalent of striking through the recipient, writing a new one on the envelope and putting it back into the mailbox. This is a quite common behavior if people have moved for example

Re: [mailop] Why is mail forwarding such a mess?

Remember when we had an SMTP status code 551? 551 User not local; please try Pepperidge Farm remembers. SCNR, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49

Re: [mailop] Why is mail forwarding such a mess?

On 12.02.24 11:59, Jaroslaw Rafa via mailop wrote: Dnia 11.02.2024 o godz. 00:10:54 Thomas Walter via mailop pisze: Remember when we had an SMTP status code 551? 551 User not local; please try Would be an ideal solution if sending SMTP servers would actually react to it like web browsers

Re: [mailop] Why is mail forwarding such a mess?

Hey Bill, On 12.02.24 17:31, Bill Cole via mailop wrote: On 2024-02-12 at 07:13:13 UTC-0500 (Mon, 12 Feb 2024 13:13:13 +0100) Thomas Walter via mailop is rumored to have said: There are other issues with this though. For example you are exposing information you might not want to. Beyond

Re: [mailop] Why is mail forwarding such a mess?

mails already. A Received line might look like: Received: from server.it.tried.to.send.to by redirecting.server (Postfix) with ESMTPS id 12345 for ; Mon, 12 Feb 2024 21:33:50 +0100 (CET) Ah well, it's a theoretical discussion anyway. Regards, Thomas Walter -- Thomas W

Re: [mailop] Ubuntu Noble/24.04 - TLS 1.0, 1.1 and DTLS 1.0 are forcefully disabled

So we are removing a perfectly good marker to increase spam scores? Just saying... :-) Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 w

[mailop] Do we need Spam folders?

like this in court to have it clarified, but it is something us postmasters here have to consider. Perhaps you should too? Regards from Germany, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Te

Re: [mailop] Do we need Spam folders?

nd I sometimes return mails unopened by adding "return to sender" (and optionally a reason). I understand that in some countries it's way worse than over here, but I guess I'd have a stamp then - to have a least some fun while returning them. That way I if I mistook a "your

Re: [mailop] Do we need Spam folders?

still have to check these regularly? Why not reject those instead and have the sender deal with it? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 91

Re: [mailop] Do we need Spam folders?

ne more intelligent and experienced than me did think about it instead of accepting this as given. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83

Re: [mailop] Do we need Spam folders?

quot;unread mails can still be taken out of the users mailbox". I wouldn't want my postman to fish mail out of my letterbox just because he thinks my neighbour didn't like it, so I won't either. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - Uni

Re: [mailop] Do we need Spam folders?

ts a lot of > backscatter) What MTAs do not honor this? How does 550 after DATA result in backscatter? Not returning a 250 OK after DATA is still well within limits of the SMTP dialog. How else are you supposed to reject a mail that could be saved because of its size or because it has

Re: [mailop] Do we need Spam folders?

mail? Or you can just whitelist them if you are sure they are not bad guys? Here I thought, us IT guys are lazy and love to have someone else do the work? Why don't you in this case? ;-) Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied S

Re: [mailop] Do we need Spam folders?

on't look at them anyway, why don't you reject them at the gate at first sight? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 25

Re: [mailop] Junk filtering as a tool for unfair competition

" to protest? I don't think that'll work. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 8

Re: [mailop] Junk filtering as a tool for unfair competition

her weapon in the "sorry, we can't do anything about it, its automated" arsenal. I myself am pretty sure that Skynet will start just like this. An AI that decides on things and nobody knows why. It's not the "humans are bad, destroy all humans", it's more going to

Re: [mailop] Junk filtering as a tool for unfair competition

explicitely subscribed to and that are important for their academic career. Users can not be trusted to categorize emails. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49

Re: [mailop] BIMI

On 05.12.19 02:20, Matt Vernhout via mailop wrote: > Stay tuned for more info on the bimigroup.org website, we are planning to add > more info very soon. But why? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corr

Re: [mailop] MUA archaeology

Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-muenster.de/dvz/ ___ mailop mailing li

Re: [mailop] How long to retry?

not yet been sent, but is waiting in the queue. People don't understand why there are unsent messages in their current outbox if they accidentally switched their MUA to offline mode. They won't understand this either. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale F

Re: [mailop] [ext] Re: Business justification to use noreply sender addresses?

> MLMs don't use "noreply" address as well - they use their own list-specific > "bounce" address as envelope-from. Yes, but Exchange/Outlook will not reply to the Envelope sender, but to the From: as Ralf stated. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungsz

[mailop] Hey.com?

;t heard much else. Anyone on here who knows more? Regards from Germany, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83

Re: [mailop] Abusix Potentially Compromised Account Report

s 185.234.219.89. Checking my logs I have multiple failed logins from the address including the accounts they listed, but some more too. I wonder what kind of "Spamtraps" they use and why the attacker uses our local accounts to fall into those? Regards, Thomas Walter -- Thomas Walter Date

Re: [mailop] Abusix Potentially Compromised Account Report

ctical scenarios that justify the existence and use of > shared accounts. > Use a mailing list instead. And multiply each and every mail to multiple people, making it difficult to see which has been replied to and not having shared drafts or templates? No, thanks. Regards, Thomas Walter -- T

Re: [mailop] Abusix Potentially Compromised Account Report

On 19.05.20 13:11, Andrew C Aitchison via mailop wrote: > A bug/issue tracking system or othe5r "help desk" tool > *may* be a better solution here ... That's a little overkill for boss & secretary environments. Regards, Thomas Walter -- Thomas Walter Datenverarbei

Re: [mailop] Is DNS-over-HTTPS bad? Sure. (was: Happy Holidays Everyone!)

ific DNS hostnames from resolving some years ago, because they thought it was an option to block access to unlawful websites. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64

Re: [mailop] Is DNS-over-HTTPS bad? Sure.

rically the DNS provider was set by the machine's admin, > not by the user. On any multi-user system that difference mattered. And exactly that will happen on the desktop in enterprise environments with DNS or DOH as with any other setting. Regards, Thomas Walter -- Thomas Walter Datenve

Re: [mailop] Google and Spam detection

you ask people about Spam, a lot of them will tell you it is "annoying email they don't want to think about", not bulk unsolicited messages for the purposes of advertising, phishing, malware, etc. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - Univ

[mailop] United Internet X-UI-*Filterresults headers?

know the difference between the X-UI-Filterresults and the X-UI-Out-Filterresults? Regards from Germany, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910

Re: [mailop] Any chance that Microsoft would tell it's customer that the 'junk' folder creates complaints?

in the difference between Junk and Trash. BTW - "Spam" also is a bad name for those folders, because the word now seems to be a catch-all phrase for "E-Mails I do not like". Mit freundlichen Grüßen, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - Univers

Re: [mailop] GMX.net

y "looks to be in order", but if it is. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-muenster.de/dvz/ smime.p7

Re: [mailop] Delivery problem on Microsoft e-mail (code 250 but does not receive)

ver it to the final recipient) or reject it (so that responsibility stays with the sender). But then again, you probably accept it somewhere in an EULA. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 4814

Re: [mailop] Maximum message size

the front, so it shows the importance of it. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-muenster.de/dvz/ smime.p7s Description: S/MI

Re: [mailop] Maximum message size

fficult if big files are involved. Besides email transports not being made for file transfer, the storage mechanisms of MUAs aren't made for big files either. Email is for sending letters, let DHL handle the bigger boxes. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Mü

Re: [mailop] New server email being treated as spam by Google

le uses and they might change. Do we know Google's IPv6 addresses? Do those change? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 w

[mailop] from= to=?

. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-muenster.de/dvz/ ___ mailop mailing list mailop

Re: [mailop] Effeciveness (or not) of SPF

PF checks in place and quite often without any antispam or antivirus measures as long as the email stays on the inside? And use the correct user's address? At least that's what happened here in one incident. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Müns

Re: [mailop] Effeciveness (or not) of SPF

emote mailboxes with pop3 which does not require forwarding. We never tried that, but it is an option: https://support.google.com/mail/answer/21289 But yes, please do not bash forwarding, just because someone invented a mechanism that ignored the basics of email traffic. Regards, Thomas Walter --

Re: [mailop] Effeciveness (or not) of SPF

Example " ' since modern MUAs decided it's a good idea to not show mail addresses anymore... Perhaps I should just start looking into botany. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48

Re: [mailop] Effeciveness (or not) of SPF

he sender. Yes, I am looking at you, Outlook et al. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-muenster.de/dvz/ smime.p7

Re: [mailop] Effeciveness (or not) of SPF

me recipient with "failing" SPF from the same host(s)/domains it is probably a forwarder to that recipient? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax:

Re: [mailop] GMail 550 5.1.1?

ppsstatus#hl=en&v=status GMail is still listed as having issues: "We're investigating reports of an issue with Gmail. We will provide more information shortly." Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences

Re: [mailop] GMail 550 5.1.1?

th the central "user database" itself. In that case their mailserver simply didn't know users existed. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 9

Re: [mailop] Current OSS anti-spam software best practice?

ites/default/files/Rspamd_und_Mailinfrastruktur_Heinlein-Support_2018.pdf we switched over to rspamd quite a while ago and will not look back. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel:

Re: [mailop] Looking for possible mailing list hosting

(users are pushed content - if they are subscribed - whether they > want to or not). And a lot of times push is exactly what is needed. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Te

Re: [mailop] What's the point of secondary MX servers?

unneeded relic. You can use MX priorities on the inside too. For example to specify outgoing or nexthop servers in transport maps and the likes. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Müns

Re: [mailop] [EXTERNAL] Re: What's the point of secondary MX servers?

y" connect to both connections and fail if one line is down - which was not the intention here. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64

Re: [mailop] Gmail & SPF=none & Adobe campaign

tiple SPF check sites that got those wrong and reported issues. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-

[mailop] RFCs on quoted pairs in From:?

rbird replies to "(Some Person " in that case. Is either correct? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-muenster.de

Re: [mailop] RFCs on quoted pairs in From:?

h on those. Heck " "@example.com is a proper email address and I am a little tickled to use that and confuse the heck out of people (but most software too I guess). Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Correnss

Re: [mailop] RFCs on quoted pairs in From:?

On 28.01.21 10:38, Dan Malm via mailop wrote: > On 2021-01-27 13:40, Thomas Walter via mailop wrote: >> While playing with this I noticed that Thunderbird shows the full header >> field without quotes and replies go to the first address - even though I >> thought t

Re: [mailop] RFCs on quoted pairs in From:?

On 28.01.21 12:37, Alessandro Vesely via mailop wrote: > On Thu 28/Jan/2021 11:05:37 +0100 Thomas Walter via mailop wrote: >> swaks --server mx3.fh-muenster.de \ >> --to 'b...@fh-muenster.de' --from 'b...@fh-muenster.de' \ >> --header-From '"So

Re: [mailop] [E] Re: Some Days I think that Gmail isn't even trying to stop outbound spam..

e emails per week from Microsoft because users can not differentiate between "Junk" and "Trash" (if only because of language issues) really made me mistrust that system. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences -

Re: [mailop] Haraka status? Exim the only choice? (v Postfix)

x. While I understand your frustration, I wonder what "advanced feature" you are looking for. In the end you can override each and every single Postfix element or how they interact. It's that flexibility that gives me most of my headaches. Regards Thomas Walter -- Thomas Walter Dat

Re: [mailop] Haraka status? Exim the only choice? (v Postfix)

aw smtp data, but to a whole lot of data from it Rspamd seems to get enough data from postfix's milter interface to do proper and fast antispam filtering and you can extend that with all kinds of LUA functions. Yes, that's not postfix, but in a way, it's just a plugin like the others

Re: [mailop] [EXTERNAL] Re: Registered @ Microsoft JMRP - blacklisted without feedback received

of users think of spam as being "unwanted" email nowadays. I am actually avoiding Bayes filtering, because I don't feel I can trust our users with their decisions. Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Co

Re: [mailop] Gmail's MTA is broken

e that, but it happened. Regards, Thomas -- Thomas Walter Datenverarbeitungszentrale FH Münster University of Applied Sciences Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83-64908 Fax: +49 251 83-64910 E-Mail: b...@fh-muenster.de https://www.fh-muenster.de/dvz/ smime.p7s De

[mailop] Hen and egg problem with Talos

x27;t use them to send emails, their reputation at Talos will not improve since support tells us "reputation improves as the ratio of legitimate mails increases with respect to the number of complaints". Do you guys have any hints on what is the proper way out of this circle? Regard

Re: [mailop] Hen and egg problem with Talos

already following their SOP for removal. I was able to switch over to other outgoing servers for now, so the customers have extinguished their torches (most of them didn't even notice). I am just confused on how to fix the reputation of those two boxes by sending emails without being able to

Re: [mailop] Hen and egg problem with Talos

esses, since they often use multiple bot hosts - spread all over the world - after the data was phished. But this time it was just one host. Regards Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster University of Applied Sciences Corrensstr. 25, Raum B 112 48149 Münster Tel: +49

[mailop] polspam.pl contacts?

Hello guys, does anyone know how to get in contact with the polspam.pl blacklist owners? Their contact form does not work and the website footer lists an email address, but asks to "not send any messages to this address". Regards Thomas Walter -- Thomas Walter Datenverarbeitungsze

Re: [mailop] mail.ru broke mailing lists

In that case a local user can send to that external address and it gets forwarded from an external server to the local domain - with the local domain as From. There are other cases, but that is one example which happens with a lot of students here. Regards, Thomas Walter -- Tho

Re: [mailop] m-365 still works like a spammer !

cepts the message, or all the MXs have been tried. It's been a while since I looked at this, but isn't "SHOULD" a recommendation? I understand this collides with the next "IS REQUIRED", but...? Regards, Thomas Walter -- Thomas Walter Datenverarbeitungsz

[mailop] Why TLS is better without STARTTLS

more secure option than STARTTLS. Which I think most of us already knew/expected? While it does not seem to be an urgent issue, it might help if we'd get people to switch to implicit TLS where possible… Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - Univer

Re: [mailop] Why TLS is better without STARTTLS

t, but I am not sure if it is the full / most up to date version of the paper Regards, Thomas Walter -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-

[mailop] USGOabuse.net?

I can't find anything about USGOabuse.net otherwise - they don't seem to have a website, whois points to https://usfamily.net/ which points to a sister company "Velocity Telephone"... Does anyone know anything about them? Regards, Thomas Walter -- Thomas Walter Datenver

[mailop] mailop charter (Was: SMTP noise from *.bouncer.cloud)

it read or move it to the Trash folder. -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-muenster.de/dvz/ ___ mailo

Re: [mailop] The oligopoly has won.

source of it… But who am I telling that? -- Thomas Walter Datenverarbeitungszentrale FH Münster - University of Applied Sciences - Corrensstr. 25, Raum B 112 48149 Münster Tel: +49 251 83 64 908 Fax: +49 251 83 64 910 www.fh-muenster.de/dvz/ smime.p7s Description: S/MIME Cryptographic Signature

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