Questions tagged [dovecot]

Dovecot is an IMAP and POP3 server for Linux

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16 views

Dovecot + postfix + postfixadmin how to implement quota and do not interrupt existing mailboxes

Can someone tell me what happend when i'll add quota to existing users by this howto https://www.linuxbabe.com/mail-server/user-quota-postfixadmin-dovecot need to know what happend when some of my ...
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How to pass the envelope RCPT address from postfix to dovecot via LMTP?

TL;DR I have a postfix installation with dovecot using LMTP for some virtual domains running. I want to use sieve filtering on the recipient address, the mail was delivered for and accepted by postfix....
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20 views

Is Dovecot Active?

I am attempting to set up a Postfix / Dovecot mail server and although Webmin reports that Dovecot has started OK at the command line I enter service dovecot status and I get the following back which ...
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2answers
119 views

FInding 'server log' referred to in this postfix error

This is a bit embarassing, but I'm stuck at the first step of debugging a postfix+dovecot setup on Debian after following this guide. Sending email from my server works, but receiving doesn't. I get ...
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26 views

How can I force Dovecot to refresh the certificate?

I am running Dovecot on a local CentOS 8 server using a LetsEncrypt certificate. ALl of that is working smoothly. A few days ago, I found I could no longer connect my mail clients, and that the ...
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22 views

How to store emails in each user folder on POSTFIX mail server

I am using cantos 8 i installed post-fix and dovecot for mail server. When i try to send emails to my email server, all emails going to my root folder.My post-fix main.cf file i set the mail directory ...
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10 views

postfix dont deliver to virtual emails

I'm installing a full mail server with postfix and dovecot. I used to manage virtual users and domains with postfixadmin. Now When I send an e-mail to a real user on the server. I receive that e-mail ...
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1answer
127 views

How do I create a sieve script in dovecot that sends a vacation autoreply from the userdb, like LDAP?

The sieve vacation described at https://tools.ietf.org/html/rfc5230 allows a vacation message to be defined and sent by dovecot. By default, the text of the vacation message is hardcoded in the sieve ...
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71 views

Dovecot: Relative home directory paths not supported

I got a problem with dovecot, I have an external disk with all the emails in the Maildir format, I mounted this disk in Linux and for each user, I created a symbolic link (with ln -s) and then i ...
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55 views

SOHO Postfix/Dovecot configuration for small web app and user base

I own two domains, lets call them domain1.com and domain2.com for examples sake. These domains are used in my small home office mostly for family and friends to have email address at domain1.com and/...
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1answer
119 views

Postfix: Allow sending only from virtual users used by dovecot

So I have set up my postfix server with dovecot according to this tutorial. Receiving emails works fine, sending them too. But these days I had the problem that my postfix started sending emails from ...
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427 views

Not receiving emails (no bounced errors) but can send out emails - Postfix, Dovecot, Webmin/Virtualmin

I'm using CentOS with Postfix, Dovecot, Webmin/Virtualmin. I can't seem to receive emails for all addresses for one of our virtual servers configured via Webmin/Virtualmin. But I can send out (and it ...
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1answer
48 views

Cannot connect to POP3 on Dovecot

I installed Postfix and Dovecot on Ubuntu 18.04. I tested sending and receiving emails via telnet. Everything works from localhost. This is a droplet on DigitalOcean. From any remote system, I can ...
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45 views

dovecot configuration with lmtp and vmail user - INBOX directly created in Maildir, missing Junk, Trash, etc. folders

Here's my dovecot.conf (I don't have a conf.d). listen = * ssl = required ssl_cert = </etc/letsencrypt/live/domain.tld/fullchain.pem ssl_key = </etc/letsencrypt/live/domain.tld/privkey.pem ...
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Dovecot 2.2 - can diffie-hellman params file be symlinked to pre-existing one?

I'm installing Dovecot 2.2 (limited to 2.2 in CentOS 8), on a VERY lightweight server (1GB RAM, 1 core). The problem I'm facing is that Dovecot insists on generating its own Diffie-Hellman parameters ...
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1answer
227 views

Dovecot and two types of password encryption in virtual user's DB field

I need to migrate from Courier IMAP to Dovecot IMAP. Can Dovecot IMAP use two types of encrypted passwords on a virtual user's database password field? I have database with a password field that is ...
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227 views

Outlook creates IMAP folders two (or more) levels deep with dovecot … where are they?

I'm dealing with an issue where messages were stored two levels deep in an Outlook 2016 IMAP profile. The IMAP server is dovecot. Like: INBOX/ folder1/ folder1sub1/ folder1sub2/ ...
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1answer
183 views

Roundcube issues after server upgrade (Debian 10, PHP7)

I have upgraded my DigitalOcean droplet from Debian 8 to Debian 10, as well as upgraded PHP from PHP5 to PHP7.3. I also upgrade RoundCube to 1.4.2. Everything seems to work fine. I see no obvious ...
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2answers
185 views

Have sendmail authenticate users against dovecot (or passwd-style files)

I have set up a Debian 10 mail server with sendmail and dovecot+virtual users in preparation of a migration (the old server is also running sendmail + dovecot, but older versions and with "real" users)...
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1answer
1k views

How can i view mail using doveadm?

I have mail sent to my dovecot inbox and I can see that there are unread emails. If I run: doveadm -f table mailbox status -u bob all INBOX I get: mailbox messages recent uidnext uidvalidity unseen ...
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1answer
355 views

How to make Dovecot maildir format emails be gziped using zlib

I activate compression plugin by set following on Dovecot: # /etc/dovecot/conf.d/20-imap.conf (...) protocol imap { mail_plugins = $mail_plugins zlib } # /etc/dovecot/conf.d/90-plugin.conf (...) ...
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1answer
67 views

sendmail does not recognize the local host name

Recently I'm learning Sendmail in CentOS,But I have got some prombles when I am following the tutorial on youtube. I have followed the steps in the video, but when I try to test the Sendmail with the ...
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1answer
133 views

Postfix/Dovecot mailserver with neomutt

I set up a mailserver on Archlinux with Dovecot and Postfix. I setup a Domain including SSL, MX records, DMARC etc. Everything works fine except that I have trouble using it in Neomutt. To add the ...
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313 views

dovecot: I get the certificate on localhost, but not from outside

I had a dovecot/postfix/fail2ban setup running perfectly fine until some days ago: When I connect from outside (e.g. my localhost) I get CONNECTED(000002F8) write:errno=10054 --- no peer certificate ...
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1answer
999 views

How connect Dovecot with Postfix in docker-compose

I made mail server with this tutorial. Everything works, but I want to put mysql, postfix and dovecot in containers. I used mysql image. I made Postfix container for my own. I have no problem ...
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1answer
1k views

Thunderbird authenticating with dovecot fails in 0 secs without username

I have set up Dovecot with effective configuration (with dovecot -n) # 2.3.7.2 (3c910f64b): /etc/dovecot/dovecot.conf # OS: Linux 5.2.15-200.fc30.x86_64 x86_64 Fedora release 30 (Thirty) # Hostname: &...
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1answer
363 views

Retrieve emails from different folders in Office 365 with getmail in mbox format and Dovecot

I have an Office 365 account who has multiple folders (mailboxes). With getmail I can retrieve all emails from all mailboxes with the following configuration: [retriever] type=SimpleIMAPSSLRetriever ...
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28 views

Postfix flush changes messages date

I'm using postfix with dovecot as smtp/imap server stack. Quotas are configured in dovecot for users, but i'm facing a date problem: When messages are kept in postfix queue, frequently cause of imap ...
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68 views

Dovecot - exclude LDAP locked accounts

I have installed Dovecot with LDAP; everything works fine except that the users I attempted to lock using pwdAccountLockedTime are still able to login. Here is my ldap.conf.ext file: hosts = myldap ...
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32 views

Error when trying to create a self-signed certificate for my mail server

I am configuring my mail server and when I try to create a self-signed SSL certificate something happens. When I first executed the script, an error ocurred which was that the /etc/dovecot/ssl was ...
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2answers
195 views

Why Thunderbird cannot read root@localhost email?

I'm using Postfix for sending emails, Dovecot as POP3 and Thunderbird. I can't login as root in Dovecot and Thunderbird doesn't show emails of root@localhost while it can show emails of other users. ...
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14 views

Multiple mailservers

I am trying to find out if I am attempting the impossible. I have List item 1 IP on 1 cloud server 4 x Domains that I receive mail for 4 x SSL certificates I would like them all on one server. ...
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1answer
331 views

Using dovecot for submission, how to configure dkim?

All the tutorials that I've found regarding this issue always focus on postfix. But I'm using dovecot as the submission server. I'm under the impression that it does not use postfix to send emails. So ...
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1answer
187 views

Outlook 2010 and Dovecot IMAP: pst balooning in size

Server: CentOS7 with Dovecot 2.2.36 | Client: Windows 7 with Outlook 2010 After copying all mails from a POP3 account to an IMAP account within Outlook 2010, the .pst was around 65GB (had to edit ...
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1answer
269 views

Can't login to mailbox using Postfix/Dovecot/MySQL: “Failed to initialize quota”

I'm trying to setup my own mail server and I am stuck on one Dovecot error, “Error: Failed to initialize quota.” Anyone have a solution? Feb 16 01:10:25 outgoing dovecot: imap(ichanged@original....
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213 views

A tad confused about mapping virtual users to system users in Dovecot

What I hope to do: Use getmail to grab emails from several of my accounts (gmail, fastmail, Yahoo etc) -> deliver to an instance of Dovecot running locally -> from which I'll use a mail client to ...
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265 views

IMAP Proxy to allow an internal server to access emails via imap.gmail.com with dovecot

I need to find a way to set up dovecot as a mail proxy server which is internet facing to allow the internal server to access emails from gmail not really good with dovecot so would be appreciate it ...
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1answer
139 views

Can't get Activation Mail in Mailchimp with Postfix

I have a postfix-mailserver, which works for incoming and outgoing mail. Everything was fine until I created a Mailchimp-Account. The Activation-Mail wasn't recieved by my postfix-Server. Several ...
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1answer
112 views

Can connect (telnet, dovecot etc) to my own server from an external network but not when I am on the same lan

I have a server (mail - postfix+dovecot, web - apache) on a kvm guest where the host is on a local network behind a normal router (zte or whatever the ISP provided). KVM guest has an IP on the same ...
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1answer
75 views

How to receive external emails on email server

So far I have an email server set up using postfix / dovecot on a raspberry pi (debian). I can send emails externally and internally no problem however can only receive emails from within my server. ...
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1answer
71 views

How to setup inbound email correctly? MX settings?

Summary So I have mostly set up hosting emails. I can send mails from my phone through IMAP with my new server however I never receive any mail. I have tried the following: telnet localhost 2525 ...
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1answer
1k views

Mailserver Dovecot+Postfix/-Admin Authentification failed

everybody. I've been looking for the mistake in a few days now.. When i want to connect my Webmail with my E-Mail Server via Imap/Smtp, i got this error: "Authentification failed". When you need more ...
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2answers
350 views

postfix/dovecot, other domain is using our server to send spam

Our server is being used to send spam from an account that doesn't belong to our domain. This account is sending emails to other domains and it is affecting our IP reputation. log: Nov 20 06:31:42 ...
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1answer
204 views

Storing Dovecot Sieve scripts with SQL database

I'm not sure how to set up Dovecot to use SQL database for sieve storage. So far I found Pigeonhole with this tutorial - https://wiki.dovecot.org/Pigeonhole/Sieve/Configuration/Dict From what I ...
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1answer
2k views

Dovecot not working, apparently not listening to ports 110, 143, 993 or 995

My new mailserver with Postfix (3.3.0) and Dovecot (v2.2.33.2) doesn't work yet, since last time I installed a few years ago and now, the configuration changed a lot I noticed, e.g. in Dovecot the ...
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1answer
2k views

Gmail pop3 ssl can't fetch mail server

Suddenly gmail can't fetch anymore mails from my mail server (postfix, dovecot), with the below message: Unable to establish secure SSL connection to mail.domain.com Server returned error: "SSL error:...
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1answer
2k views

Dovecot gmail SSL error

I'm trying to import all my emails into gmail via POP3, which used to work fine. All of a sudden, I keep getting the following error: SSL error: No path found from the leaf certificate to any root. ...
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1answer
88 views

integrating roundcube or another MUA with dovecot/postfix already installed

I have gotten dovecot and postfix installed and working; I can send mail and receive it successfully on my linux Ubuntu 16.04 server. As part of that installation I have a database named servermail ...
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1answer
370 views

Dovecot config file format

I need all dovecot config keywords and default values. There is a dovecot-example.conf on dovecot official site. OS: CentOS Linux release 7.3.1611 (Core) Dovecot: 2.2.10 But, It has some errors, e....
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71 views

Should the certificate used for postfix also contain all the domains used or just the hostname

My mails keep ending up in the junk folders of gmail and microsoft. The mail server uses postfix and dovecot and has the following setup when it comes to ssl server.domain1.ext - Hostname used by ...