Re: [mailop] SPF record

2017-05-21 Thread SM
Hi Kurt, At 05:25 21-05-2017, Kurt Jaeger wrote: Can you tell more about this ? Why is '-all' bad ? You are assuming that when the message is delivered to the receiver, it will see a connection from the sending IP address. Re

Re: [mailop] SPF record

2017-05-21 Thread SM
what will happen because of their policies. Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] dkim signature failures sendmail/opendkim

2017-05-29 Thread SM
end where DKIM verification failed and compare it to the message which was sent out? Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] autoresponders & envelope-from/return-path

2017-06-07 Thread SM
RFC-correct way to do it. We could probably get them to make an exception here, but I'm curious if there is any real world impact to that. The "Return-path" header is appended at the message delivery stage. The is a discussion of autoresponder in RFC 3834.

Re: [mailop] RFC question on smtp replies...

2017-07-07 Thread SM
with a mailbox name is returned. Sometimes, the "text" is used to convey some unstructured information which might be useful to the other end. Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] CBL & c_sludge

2017-07-07 Thread SM
( https://forums.att.com/t5/AT-T-Internet-Email-Security/ATT-outgoing-email-is-being-blocked-by-spam-filter/m-p/5199721 ). Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] Best rate limiting response?

2017-09-17 Thread SM
st (SMTP) reply code for what the MSA is trying to communicate to the MUA [1]. Regards, -sm 1. I assume that you meant "MAIL FROM" ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

[mailop] 550 sending to hotmail.com

2017-10-26 Thread SM
.eop-NAM04.prod.protection.outlook.com]" Would it be possible to have the IP address mitigated [1] as it is not used for sending "unwanted" emails? Regards, -sm 1. I'll provide a ticket number if it that would be useful.

Re: [mailop] 550 sending to hotmail.com

2017-10-26 Thread SM
x27;t any complaint. Did you substantially increase sending volume? No, the sending volume to hotmail.com is very low. Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] 550 sending to hotmail.com

2017-10-26 Thread SM
Hi Michael, At 12:47 PM 26-10-2017, Michael Wise wrote: Ticket numbers are ALWAYS helpful... even if not for me. The ticket number is SRX1402095036ID Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin

Re: [mailop] Issues delivering to Hotmail addresses

2018-01-24 Thread SM
oes not sound like a good idea. Why would the receiver's implementation require segmented delivery? Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] question regarding support for international characters

2018-04-21 Thread SM
clude Asian and Cyrillic characters. I know there's an RFC from 2012, but my Product Dev people are interested in knowing how wide-spread the actual adoption is. There was a report about it: https://cnnic.com.cn/IC/Events/201511/t20151110_53004.htm Re

Re: [mailop] Gmail & TLS SNI

2018-04-27 Thread SM
track document I know of touching this topic for SMTP/MX is RFC 7672 for DANE, and for the DANE case, Exim always sends SNI. There is some information in RFC 6125. Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cg

Re: [mailop] GDPR and SMTP in general

2018-05-27 Thread SM
Hi Paul, At 03:40 AM 25-05-2018, Paul Smith wrote: I wish that was the case, but it's not what GDPR says, certainly for SMTP relay services The organization running the service would be the "processor". Did you ask the ICO whether there is any guidance for a SMTP service?

Re: [mailop] Should mail servers publish IPv6 MX records? Could this harm your spam filtering?

2018-06-06 Thread SM
Hi Rob, At 01:08 PM 06-06-2018, Rob McEwen wrote: Here is an article I posted on Linkedin about spam filtering IPv6-sent email. "Should mail servers publish IPv6 MX records? Could this harm your spam filtering?" In other words, DNSBLs have a scalability problem. Re

Re: [mailop] What should an MTA do when receiving 452 4.5.3 (aka too many recipients)

2018-12-13 Thread SM
Hi Benoit, At 12:29 AM 13-12-2018, Benoit Panizzon wrote: So based on my observation I wonder... Upon receiving a 452 4.5.3 error, what should the sending MTA do? Reconnect immediately and re-try the soft failed recipients as would be done with the usual 'too many recipients' situation? Or is it

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

2019-04-12 Thread SM
around no-reply addresses. The "Auto-Submitted" header field might help (RFC 3834) to avoid a loop. I guess that nore...@example.com is intended to inform the person reading the email that he/she should not reply to it. Regards, -sm __

Re: [mailop] Delivery to A record if MX exists ?

2015-06-24 Thread SM
ule above applies only if there are no MX records present' Regards, -sm ___ mailop mailing list mailop@mailop.org http://chilli.nosignal.org/mailman/listinfo/mailop

Re: [mailop] Help with definitions in RFC5598

2015-07-10 Thread SM
ink", e.g. output sink. ADMD, Administrative Management Domain. The document dances around the term. However, it is never explicitly defined. I suggest viewing ADMDs in terms of administrative boundaries. Section 2.3, Paragraph 2 discusses about that. Regards, -sm ___

Re: [mailop] Microsoft sending multiple Message-ID headers in password reset links..

2015-09-15 Thread SM
nded to add a "Message-ID" field if there isn't one in a message. There are reasons why that is not always done. You did your part; that's good enough. Regards, -sm ___ mailop mailing list mailop@mailop.org http://chilli.nosignal.org/mailman/listinfo/mailop

Re: [mailop] Canonicalization

2015-10-18 Thread SM
bout edge cases. Regards, -sm ___ mailop mailing list mailop@mailop.org http://chilli.nosignal.org/mailman/listinfo/mailop

Re: [mailop] Delivery to gmail via IPv6

2015-12-04 Thread SM
drop me an email if that does not work. Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] Delivery to gmail via IPv6

2015-12-08 Thread SM
essage is just sitting in a queue instead of delivering or bouncing?" It depends on whether the sender is monitoring the logs or getting complaints from his/her users. The complaints might come in faster when there is a rejection. Regards, -sm _

Re: [mailop] Gmail throttles anyway

2016-02-05 Thread SM
goodmail with a now busted signature. The issue with removing a DKIM signature which would get broken is that it is not easy to reverse the removal in future. It is better [1] to treat the "broken" DKIM signature as unsigned. Regards, -sm 1. This depends on the receivers you

Re: [mailop] ADSP query: '_adsp._domainkey.live.com' reply was unresolved CNAME

2016-05-02 Thread SM
: ;test.live.com. IN TXT ;; ANSWER SECTION: test.live.com. 3600IN CNAME rds.live.com.nsatc.net. http://www.rfc-editor.org/info/rfc5617 says that the status of ADSP is "Historic". Regards, -sm ___ mailop ma

Re: [mailop] lists.opendkim.org?

2016-10-16 Thread SM
gards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] False positive on spoofing

2017-01-05 Thread SM
does not permit messages to be sent through Office365. Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] How long to retry?

2020-02-03 Thread SM via mailop
because of delivery issues. I also use "DELIVERBY" for some messages. Regards, -sm ___ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop

Re: [mailop] Just how does SendGrid fail this badly?

2020-08-24 Thread SM via mailop
Hello, At 05:23 AM 18-08-2020, Atro Tossavainen via mailop wrote: The SendGrid account sending these yesterday is 13999362. I am receiving emails from Sendgrid about "Nedbank Credit Card monthly Charges eStatement". The account is 17343945. It looks like a phishing attempt. Those emails or

Re: [mailop] opendkim bad signature data from mx.mailop.org

2020-11-06 Thread SM via mailop
configuration setting tells OpenDKIM to reject the message. Regards, -sm ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop

Re: [mailop] Q re. RFC 5322, sec. 2.3., wrt. completely empty mail bodies

2025-01-25 Thread SM via mailop
onsequently as consistently the iOS Mail App sends its empty body emails with two 0x0a's. So my question reads: Is this behaviour a fault? Not a fault as within the specs? indifferent, so not to be decided? Looking at the raw message might provide a better view of wh

Re: [mailop] Suggestions for medium performance mail server

2025-04-07 Thread SM via mailop
ueueing tweaks on the MTA end. One of the goals was to be able to answer questions such as "was the email delivered to X?" The information was accessible through a web interface. The usual mail servers should be able to send 100,000 messages daily. Regards, -sm _

Re: [mailop] RFC1035 and DKIM Keys

2025-03-28 Thread SM via mailop
The underscore convention is used for underscored node names. It's not uncommon (RFC 8552, Section 4.1.2, has a list of entries). Regards, -sm ___ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop