Postfix

smtpd crashes
Today I found: Dec 31 20:05:54 mail-ausfall kernel: [876822.781710] smtpd[27410] general protection ip:80813d8 sp:bf9c2d68 error:0 in smtpd[8048000+53000] Jan 1 21:22:23 mail-ausfall kernel: [967812.555067] smtpd[1590] general protection ip:80813d8 sp:bfbebe28 error:0 in smtpd[8048000+53000] Jan 2 04:36:23 mail-... 2 Jan 2010 13:53

No SMTP AUTH when TLS enabled
Hello, I'm having a problem with postfix in F12. I used to have my email server setup with F10. My setup had TLS enabled (self signed certs) with SASL using pwcheck_method=auxprop and CRAM-MD5 DIGEST-MD5. I had virtual accounts. Everything worked great until I installed F12. It was a clean install. My issue now i... 3 Jan 2010 04:04

bug in spamassassin date rule may lead to false spam marking
Hi @ll happy new year, sorry not really postfix but may relavant for a lot of mailadmins using spamassassin a bug in date rule may lead to wrong spam declaration some big german mail provider have this problems i.e gmx here is the fix http://wiki.apache.org/spamassassin/Rules/FH_DATE_PAST_20XX -- Best Rega... 1 Jan 2010 16:17

About reject_authenticated_sender_login_mismatch
Hi All. I want to restrict the smtpd with reject_authenticated_sender_login_mismatch when the sasl login name and the sender mismatch. So I need to set a lookup tables for the smtpd_sender_login_maps. But I only want to check if the login name and the user that the first part of the sender(user(a)domain) is the ... 31 Dec 2009 14:19

postscreen: refresh of stored entries?
from /var/log/mail.log: Dec 31 01:49:47 nemea postfix/postscreen[2994]: PASS OLD 168.100.1.4 # postmap -q 168.100.1.4 btree:/var/lib/postfix/ps_cache 1262188493 # date --date "Dec 31 01:49:47" "+%s" 1262220587 # echo $(((1262220587-1262188493)/3600)) 8 If a client that has passed postscreen in the past ... 30 Dec 2009 20:56

virtual_alias_domains vs. virtual_mailbox_domains
Hi. When havin a domain that hast just aliases on no real maliboxes, on could either use virtual_alias_domains or virtual_mailbox_domains and in the later case simply not creating any mailboxes but just configuring addresses in virtual_alias_maps. Is there any performance benfit or something like this when usi... 30 Dec 2009 18:43

Email service providers
I am currently consulting for a small retailer. They have been using an online email service provider for the past few years to blast personalized emails to their customers (opt-in, and 100-200 thousand emails at a time). They have asked me to see if we can install an email server in house to accomplish the same ... 1 Jan 2010 15:12

sender-dependent default_transport using FILTER
I need a sender dependent smtp service for my shared postfix servers This is similar to what was discussed in the thread a month ago http://www.mail-archive.com/postfix-users(a)postfix.org/msg18419.html This is because some of our clients require a dedicated outgoing IP ( for sender accreditation ) I was thi... 1 Jan 2010 10:50

Rejecting invalid email addresses with SMTP relay/forward
I have a couple of mail servers that act only as SMTP relay, and SMTP backup servers. How can I reject invalid recipient addresses at these servers? I have investigated the manual on local_recipient_maps, however it appears that this is only useful for email where the machine involved is the final destinati... 30 Dec 2009 05:28

smtpd_helo_required compliance with the RFC
Hi list. I was recently looking over my postfix config and RFC 5321 in order to see whether everything seems still to be compliant (not postfix,.. but my config ;) ). Then I stumbled accross the following: http://tools.ietf.org/html/rfc5321#section-4.1.4 says: A session that will contain mail transactions MUS... 27 Dec 2009 20:41