Re: SMTP authentication for outgoing emails from Windows-based devices

On Mon, Jan 06, 2014 at 01:17:41PM -0500, Eric Cunningham wrote: The problem is entirely with the monstrosity below: > smtpd_recipient_restrictions = > reject_unauth_pipelining, > reject_non_fqdn_recipient, Fine. > check_sender_access pcre:/etc/postfix/access/final_sender_acce

Re: SMTP authentication for outgoing emails from Windows-based devices

On 1/6/2014 12:47 PM, jeffrey j donovan wrote: > > On Jan 6, 2014, at 1:17 PM, Eric Cunningham wrote: > >> Hi, I've encountered a problem with Windows-based devices, such as Windows >> Phones, being unable to send mail through postfix. The problem and >> resolution are described at >> http:/

Re: SMTP authentication for outgoing emails from Windows-based devices

On Jan 6, 2014, at 1:17 PM, Eric Cunningham wrote: > Hi, I've encountered a problem with Windows-based devices, such as Windows > Phones, being unable to send mail through postfix. The problem and > resolution are described at > http://answers.microsoft.com/en-us/winphone/forum/wp8-wpemail/s

Re: Spam protection by auto-blocking suspicious accounts

Em 06/01/2014 13:12, Roland Plüss escreveu: A couple of days ago my mail server got attacked by a spammer. As it looks like he managed to compromise the password of one of the users on the system and SASL authenticated using the account to send spam. I blocked the attacking IP and changed the pas

Re: SMTP authentication for outgoing emails from Windows-based devices

Am 06.01.2014 19:17, schrieb Eric Cunningham: > Hi, I've encountered a problem with Windows-based devices, such as Windows > Phones, being unable to send mail > through postfix. The problem and resolution are described at > http://answers.microsoft.com/en-us/winphone/forum/wp8-wpemail/smtp-auth

SMTP authentication for outgoing emails from Windows-based devices

Hi, I've encountered a problem with Windows-based devices, such as Windows Phones, being unable to send mail through postfix. The problem and resolution are described at http://answers.microsoft.com/en-us/winphone/forum/wp8-wpemail/smtp-authentication-for-outgoing-emails-via-a/2132a705-e1d0-401

Re: Spam protection by auto-blocking suspicious accounts

On 1/6/2014 5:32 PM, Mike McGinn wrote: On Monday, January 06, 2014 10:12:38 Roland Plüss wrote: A couple of days ago my mail server got attacked by a spammer. As it looks like he managed to compromise the password of one of the users on the system and SASL authenticated using the account to sen

Re: Spam protection by auto-blocking suspicious accounts

Am 06.01.2014 16:43, schrieb Roland Plüss: > > On 01/06/2014 04:32 PM, li...@rhsoft.net wrote: >> >> Am 06.01.2014 16:29, schrieb Robert Schetterer: >>> Am 06.01.2014 16:24, schrieb li...@rhsoft.net: Am 06.01.2014 16:12, schrieb Roland Plüss: > A couple of days ago my mail server got at

Re: Spam protection by auto-blocking suspicious accounts

On Monday, January 06, 2014 11:40:02 post...@pupat-ghestem.net wrote: > On 1/6/2014 5:32 PM, Mike McGinn wrote: > > On Monday, January 06, 2014 10:12:38 Roland Plüss wrote: > >> A couple of days ago my mail server got attacked by a spammer. As it > >> looks like he managed to compromise the passwo

Re: OT: Spam protection by auto-blocking suspicious accounts

Am 06.01.2014 17:45, schrieb Simon B: > > On 6 Jan 2014 17:41, > wrote: >> >> On 1/6/2014 5:32 PM, Mike McGinn wrote: >>> >>> On Monday, January 06, 2014 10:12:38 Roland Plüss wrote: A couple of days ago my mail server got attacked by a spammer. As it >

Re: OT: Spam protection by auto-blocking suspicious accounts

On 6 Jan 2014 17:41, wrote: > > On 1/6/2014 5:32 PM, Mike McGinn wrote: >> >> On Monday, January 06, 2014 10:12:38 Roland Plüss wrote: >>> >>> A couple of days ago my mail server got attacked by a spammer. As it >>> looks like he managed to compromise the password of one of the users on >>> the sy

Re: Spam protection by auto-blocking suspicious accounts

Am 06.01.2014 17:40, schrieb post...@pupat-ghestem.net: > On 1/6/2014 5:32 PM, Mike McGinn wrote: >> On Monday, January 06, 2014 10:12:38 Roland Plüss wrote: >>> A couple of days ago my mail server got attacked by a spammer. As it >>> looks like he managed to compromise the password of one of the u

Re: Spam protection by auto-blocking suspicious accounts

On Monday, January 06, 2014 10:12:38 Roland Plüss wrote: > A couple of days ago my mail server got attacked by a spammer. As it > looks like he managed to compromise the password of one of the users on > the system and SASL authenticated using the account to send spam. I > blocked the attacking IP

Re: Whitelisting certain attachments on postfix

Noel did not ask for the same text you already posted http://postfix.1071664.n5.nabble.com/Whitelisting-certain-attachments-on-postfix-td63436.html#a64125 Am 06.01.2014 08:01, schrieb portos_latinos: > Hi people, I tried to whitelist certain attachments on postfix and I can't > succeed > I tried

Re: Whitelisting certain attachments on postfix

Am 06.01.2014 16:39, schrieb LuKreme: > And no, I don't remember why scr\?? because screensavers are often used to distribute malware and are executeable files http://filext.com/file-extension/SCR

Re: Spam protection by auto-blocking suspicious accounts

Am 06.01.2014 16:12, schrieb Roland Plüss: > A couple of days ago my mail server got attacked by a spammer. As it > looks like he managed to compromise the password of one of the users on > the system and SASL authenticated using the account to send spam. I > blocked the attacking IP and changed th

Re: Spam protection by auto-blocking suspicious accounts

On 01/06/2014 04:32 PM, li...@rhsoft.net wrote: > > Am 06.01.2014 16:29, schrieb Robert Schetterer: >> Am 06.01.2014 16:24, schrieb li...@rhsoft.net: >>> Am 06.01.2014 16:12, schrieb Roland Plüss: A couple of days ago my mail server got attacked by a spammer. As it looks like he managed

Re: Spam protection by auto-blocking suspicious accounts

On 01/06/2014 04:32 PM, li...@rhsoft.net wrote: > > Am 06.01.2014 16:29, schrieb Robert Schetterer: >> Am 06.01.2014 16:24, schrieb li...@rhsoft.net: >>> Am 06.01.2014 16:12, schrieb Roland Plüss: A couple of days ago my mail server got attacked by a spammer. As it looks like he managed

Re: Spam protection by auto-blocking suspicious accounts

Am 06.01.2014 16:32, schrieb li...@rhsoft.net: > correct, the problem itself can only be fixed manually in any case > but the difference between 400 or 40 messages by one spambot > makes the difference get blacklisted everywhere or not :-) you may blacklisted by only "one" spammail somewhere

Re: Spam protection by auto-blocking suspicious accounts

Am 06.01.2014 16:24, schrieb li...@rhsoft.net: > Am 06.01.2014 16:12, schrieb Roland Plüss: >> A couple of days ago my mail server got attacked by a spammer. As it >> looks like he managed to compromise the password of one of the users on >> the system and SASL authenticated using the account to se

Re: Whitelisting certain attachments on postfix

In our previous episode (Monday, 06-Jan-2014), portos_latinos said: > Hi people, I tried to whitelist certain attachments on postfix and I can't > succeed > I tried to blacklist certain attachments and it worked with: > > mime_header_checks = regexp:/etc/postfix/mime_header_checks > Append foll

Re: Spam protection by auto-blocking suspicious accounts

Am 06.01.2014 16:29, schrieb Robert Schetterer: > Am 06.01.2014 16:24, schrieb li...@rhsoft.net: >> Am 06.01.2014 16:12, schrieb Roland Plüss: >>> A couple of days ago my mail server got attacked by a spammer. As it >>> looks like he managed to compromise the password of one of the users on >>> t

Re: Spam protection by auto-blocking suspicious accounts

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Am 06.01.2014 16:12, schrieb Roland Plüss: > Now to deal with this situation in the future I would like to > automatically lock down an account if an unusual amount of mails > are sent like 60 per minute or so. you need an anomaly checker, so first yo

Spam protection by auto-blocking suspicious accounts

A couple of days ago my mail server got attacked by a spammer. As it looks like he managed to compromise the password of one of the users on the system and SASL authenticated using the account to send spam. I blocked the attacking IP and changed the password of the affected user. Still the spammer

Re : Re: sender_canonical_maps - from header checking

maybe a couple of words in the doc about "optional display name" would help as the "address" term is a bit confusing considering it could refer by extension to the whole from field. or writing "addr-spec address only" in place of "address" do not consider this as a offensive remark but as a sugg

Re : Re: sender_canonical_maps - from header checking - THANK YOU Viktor

Le 03/01/14, Viktor Dukhovni a écrit : > On Fri, Jan 03, 2014 at 05:21:56PM +0100, POSTFIX MAIL wrote: > > > Question: Why doesn't it work with the "sender_canonical_maps" > > configuration? > > Header address rewriting applies *only* to the mailbox address part > of email headers. Thus in:

Re: Postfix+SASL double backend (LDAP+MySQL)

Am 06.01.2014 10:05, schrieb Arnaud Jayet: > Hello, > > first, happy new year ! > > I have a SMTPS server with SASL user authentication based on LDAP > access/search. I have some troubles with the ldap server, so smtps > service is sometimes down because LDAP service is unreachable. > > i would

Postfix+SASL double backend (LDAP+MySQL)

Hello, first, happy new year ! I have a SMTPS server with SASL user authentication based on LDAP access/search. I have some troubles with the ldap server, so smtps service is sometimes down because LDAP service is unreachable. i would like to add a rescue/secondary backend with a MySQL table