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0 votes

Too many connect from unknown postfix

This is normal on the internet, if it's the same ip which is doing a lot of connects, you can automatically ban them using fail2ban and a jail for postfix
Turdie's user avatar
  • 1,305
1 vote

Spam filters: IP address with no history v. good history

A lot goes into deliverability concerns, and you've found one of them: sender volume. The major email players (Google, Microsoft, what's left of Yahoo) all use some in-house heuristics based on the ...
sysadmin1138's user avatar
  • 134k
0 votes

Postfix + Dovecot Mail delivery permission problems

Mail users must be members of the vmail group. So after usermod -a -G vmail edward it should work.
not2savvy's user avatar
  • 205
0 votes

What exactly is Return-Path and who sets it?

The Return-Path email header is supposed to contain the last known bounce address from the latest SMTP handshake in delivery path. Unlike e.g. Received headers, the existing Return-Path headers in the ...
Mikko Rantalainen's user avatar
1 vote

Configure postfix virtual transport to deliver mail to arbitrary (local) addresses

With a little additional research, this turned out to be easier than I thought. In mydestination = localhost # leave valid recipient checking up to the mda local_recipient_maps = # don't ...
larsks's user avatar
  • 44k
1 vote

PHP mail.add_x_header not showing in log

EDIT: If I look at the mail headers I receive, I see the X-PHP-Originating-Script: line in there. Perhaps I've misunderstood - is that all the php.ini directive does? Yes. As indicated by the fact ...
vidarlo's user avatar
  • 8,144
2 votes

What are the correct settings to enable TLS between Postfix and Dovecot via LMTP?

If (according to your openssl s_client test) properly wrapping the entire LMTP session in TLS works, and its just the STARTTLS compatibility hack that is causing trouble.. tell Postfix to do the ...
anx's user avatar
  • 9,371
1 vote

Dynamically move mails into matching mailboxes with sieve fileinto regex

Stick the match into a variable and use that: require ["fileinto", "regex", "mailbox", "variables"]; if header :regex "Subject" "([1-9][0-9][0-9]...
neingeist's user avatar
  • 375

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