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Postfix - send all notify_classes except failed authentication

How do I configure Postfix/Dovecot to not send errors to the postmaster regarding failed authentication? A botnet continually hammers my server, and I end up with hundreds of these emails: Transcript ...
0
votes
1answer
1k views

Cannot send email via postfix / dovecot error status=deferred (mail transport unavailable)

I am trying to setup a mail server with postfix/dovecot/maria DB on centos 7 and have seem to hit a roadblock. I am not able to send emails to internal users and the logs suggest "mail transport ...
6
votes
1answer
2k views

Configure Postfix and Dovecot-LMTP to receive mail via SMTPUTF8?

I am running a Postfix server which uses Dovecot LMTP for mail delivery. I am doing this because it plays well with sieve. However, I have gotten some email lately with Unicode in the subject line. ...
1
vote
2answers
4k views

Fetchmail with local Postfix on Home-Server

a small question... I have a fully configured postfix server which have a few domains, few users, and much more. Then I have a smart host which receives all mails and send all mails. For example ...
0
votes
1answer
935 views

Postfix does not work with TLS but Dovecot does

I have posted this question on Sever Fault but as soon as I mentioned that I have a control panel installed on my server (even though it has nothing to do with the issue) my question was closed. Here ...
1
vote
1answer
2k views

Postfix / Dovecot Mail appears in logs, but not in its respective folder

I'm currently trying to set up Postfix with Dovecot, but something does not seem to work the way it should be. For some reason, mails I sent to my mail account appear in the logs, but do not become ...
0
votes
1answer
1k views

IMAP Dovecot cannot connect

I am trying to set up my own mail server (for 'fun'). I followed this tutorial to the bone. But I get this error message: imap-login: Disconnected (auth failed, 2 attempts in 9 secs): user=<...
0
votes
1answer
4k views

Postfix: 554 5.7.1 Relay Access Denied

My Problem is this: I can send E-Mails from my E-Mail (evolutio@lars-dev.de) to my other Emails like @gmail @web @gmx ... But when I try to send a E-Mail from GMail to evolutio@lars-dev.de I have the ...