Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [dovecot]

An IMAP and POP3 email server. When asking about Dovecot problems, please include relevant maillog lines and output of the following command: `doveconf -n`

Dovecot is an IMAP and POP3 server for *nix systems. It emphasizes security, and is also easy to set up and use, as well as having high performance.

More information about dovecot is available at http://www.dovecot.org/

1676 questions
0
votes
1 answer

dovecot: Is it possible to remove a user?

If I do doveadm user '*' I see many users, including my server's username, docker user, and so on. I want to keep all those users, I just don't want them to be dovecot users, I only want to have one dovecot user, which I use to receive emails. Is…
Lynob
  • 241
  • 1
  • 9
  • 17
0
votes
1 answer

Some versions of Outlook can't log into port 993 (imaps)

I'm using dovecot. I'm having a hell of a time with some versions of Outlook not being able to log into my server over port 993. These clients have to use port 143 and with ssl = required and disable_plaintext_auth = no. I've tried every encryption…
StevieD
  • 514
  • 8
  • 24
0
votes
1 answer

Postfix/Dovecot cannot connect to MariaDB after crash

I am running a mail server on CentOS 8 using Postfix, Dovecot (virtual users) with MariaDB. ~1 week ago, Mariadb seemingly crashed and deleted most (?!) of the users, but failed "softly" and restarted itself (albeit in a nonfunctioning state). …
SKNB
  • 25
  • 1
  • 10
0
votes
1 answer

What to do if a specific postfix/dovecot user's account is hacked and being used to send spam?

I'm running a postfix/dovecot mail server. This morning, I discovered it was unresponsive. Turned out, /var/log was full. It appears one of the users has had their account hacked and it's being used to send spam. There are about half-a-million…
philolegein
  • 409
  • 4
  • 12
0
votes
0 answers

Postfix NOT WORKING on Port 465 (but working on Port 587)

My Postfix Dovecot mail server is working on 587 but not on port 465. I want to use my outlook client. i tried reading the instructions/documentations but nothing helped so far, I checked available solutions but they did not work as well. Not sure…
Gaurav
  • 9
  • 4
0
votes
0 answers

Postfix, dovecot error in one email account aliases

I have set up Postfix, dovecot in a vps everything is fine except if I send an email from account2@example.com is like I am sending from account1@example.com and also if I send an email from whatever I am receiving account2@example.com in…
duarty
  • 1
0
votes
1 answer

Postfix aliases and duplicate e-mails - with Dovecot

This is actually a follow-up question to this post: Postfix aliases and duplicate e-mails, how to fix? (I don't have enough reputation to comment on that post.) I have setup my Postfix + Dovecot as the first answer suggests - by using a sieve script…
AlesP
  • 1
  • 1
0
votes
2 answers

Best way to serve mails from public SMTP server to the internal mail server without initiate connection from DMZ?

I have a basic question for a mail setup which i have to implement. We have an SMTP server (Postfix) in DMZ, which should receive and accept all mails for our internal users. Then we have a internal mail server which should provide all the mails to…
RustySyntax
  • 3
  • 2
0
votes
1 answer

Why email response comes from: Postmaster

I've created a sieve script that filters for particular words in Subject, drops the body and sends notification to the recipient and sender. Everything works well but the only thing I can't figure out is how to change response email not to be from…
sat
  • 1
  • 1
0
votes
1 answer

Emails to multiple recipients on same server not getting delivered

When I send an email to a single user on a server, it is received by the user without a problem. But when sending and email to multiple users, the emails disappear into a black hole and is not received by any user. The logs contain no errors and…
StevieD
  • 514
  • 8
  • 24
0
votes
1 answer

Incoming external email appeared in Postfix log, but not in mailbox

I setup Postfix + Dovecot (with IMAP) for my Ubuntu 16.04 email server. I sent an email from Gmail to my domain, I can see the postfix log "reacts" with the incoming email, but the incoming email does not appear in the Mailbox. Here are the related…
Raptor
  • 1,001
  • 4
  • 19
  • 38
0
votes
1 answer

Postfix dovecot unable to authenticate

I use to work with postfix/sasl/courrier-auth on Gentoo for years. I just migrated to Debian 10 postfix/dovecot. I'm unable to make it work : Send mail ok, TLS ok. But unable to authenticate (SMTP 587, IMAP 993). I'm not familiar with dovecot and I…
user625434
  • 11
  • 1
0
votes
0 answers

Postfix does not receive mail from outside

I have installed postfix/dovecot/postfixadmin using the following guide https://www.linuxbabe.com/mail-server/setup-basic-postfix-mail-sever-ubuntu I have set up virtual domains. I am able to receive configure a mail client with a mailbox in one of…
Annick
  • 1
  • 1
0
votes
1 answer

Gmail connection error pop3 on dovecot postfix server

I configured a Dovecot Postfix mailserver on Ubuntu with letsencrypt certificates. It runs fine on mail clients like MacOS mail both in imap and pop3. No errors. However after adding two accounts to my gmail using pop3 I get 50% of the times a…
Klodder
  • 1
0
votes
1 answer

doveadm replication fails with doveadm: Fatal: setuid(XX(banjo) from userdb lookup) failed with euid=8(mail): Operation not permitted (This binary

I've been running postfix & dovecot on separate VMs mounting /var/mail over NFS, and trying to replicate with mailsync, but I get a lot of email duplication so I really want to get dsync working on dovecot. I followed the advice at the following…
banjo67xxx
  • 620
  • 5
  • 7
1 2 3
…
99 100