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Dovecot is an open source IMAP and POP3 server for Linux/UNIX-like systems, written primarily with security in mind

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Postfix Mail sever : Unable to read banner ( Email sent failed, Gmail)

-1 I am new to Email adminitration. I used the instructions for a mail server from https://www.exratione.com/2019/02/a-mailserver-on-ubuntu-18-04-postfix-dovecot-mysql/. The only changes I made was ...
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1answer
50 views

Dovecot returns a hash mismatch after setup

So I had a working setup with postfix and dovecot with virtual users stored in a postgresql db on an Ubuntu 18.04 VPS. I've decided to make a new setup on a VPS based on the same settings (that I ...
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416 views

imap-login: Error: Failed to initialize SSL server context: Can't load SSL certificate ee key too mall

Upgraded my server to 20.04. Now I can't get IMAP working through dovecut. I get: Aug 1 23:25:53 defaria dovecot: imap-login: Error: Failed to initialize SSL server context: Can't load SSL ...
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1answer
248 views

SquirrelMail - Error: Connection dropped by IMAP server

I am trying to use SquirrelMail on Ubuntu 16.04. When I go to localhost/squirrelmail/src/login.php and login, I encounter the error message: ERROR: Connection dropped by IMAP server. I tried the ...
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125 views

What replaced mail-stack-delivery?

Trying to install mail-stack-delivery on 19.10 Eoan I see it's now a transitional package that only installs dovecot-core. Before it used to install both Dovecot and Postfix and write a basic config ...
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26 views

Best way to upgrade a mail server

I have a 16.04 based mail server that is based on fetchmail (no direct inbound mail), dovecot and procmail (to sort the mail) and it has server me well for a number of years. I decided today to try ...
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8 views

Edit comiled sieve filter rules in dovecot.svbin

I have an ubuntu server 18.04 running with plesk. Anytime I created some filter rules (moving mails in subfolders) with Roundcube or HordeMail (not sure anymore how). Now these rules are active in /...
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48 views

How to configure the mail server [Postfix, PostfixAdmin, Dovecot, Roundcube]

I am mailing the post office for over half a year and still do not work. I have probably looked through all the possible guides but it still doesn't work. Has anyone maybe a proven guide that will ...
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59 views

LAN-only email server for Smartmontools and IDS reports

Sorry if I'm posting in the wrong StackExchange site, I'm new here. I am trying to set up a home media/samba server using Ubuntu Server 18.04 LTS. I have installed Smartmontools and an IDS program, ...
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49 views

Procmail: Send mails per default to deliver

i have a question^^: First i show you an simple procmail rule: DELIVER="/usr/lib/dovecot/deliver -d $LOGNAME" DEFAULT="$HOME/Maildir/" MAILDIR="$HOME/Maildir/" # deliver spam to spam folder :0 w * ^...
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437 views

Must issue a STARTTLS command first when setting up mail server

I am trying to turn my personal pre-existing webserver into an email server so I can send and receive emails using myuser@mydomain.com. I am using Postfix and Dovecot to try and achieve this. I have ...
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34 views

How to enable webmail in ubuntu using Postfix, Dovecot and Roundcube?

I have already installed Postfix, Dovecot along with Roundcube. But, I am unable to log in to Roundcube. I can send the emails to Gmail and all, but I am not sure about receiving them. Any help would ...
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423 views

Why doesn't postfix/dovecot receiving mails from Gmail?

I'm setting up a Postfix server that uses Dovecot SASL Authentication on a EC2 virtual machine with an ubuntu 16.04 Xenial. I can send mails to my Gmail account but I cannot receive them. It supposed ...
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211 views

Ubuntu, postfix, dovecot mail server cannot configure with Outlook or Thunderbird mail client

I have successfully configured my email server with digital-ocean ubuntu 18.04 LEMP droplet and everything work fine so far. I can send & receive email and also successfully configured with round-...
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1answer
97 views

Removing mail-stack-delivery doesn't remove its components

Once I installed mail-stack-delivery $ sudo apt-get install mail-stack-delivery I decided I wanted something else, so I tried to uninstall it $ sudo apt-get remove --auto-remove mail-stack-delivery ...
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2k views

Ubuntu MX records

I am little confused about MX records. At least I think that is the problem, I followed a lot of guides about how to setup postfix, postfixadmin, dovecot on my VPS with Ubuntu 16.04, but I had no luck ...
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183 views

Is it safe to delete folders for unused accounts in var/mail?

My colleague sadly died last year, and managed the Dovecot accounts on our ancient Ubuntu (6.10) server, and I know absolutely zero about Dovecot or email server admin. We have several discontinued ...
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177 views

Dovecot-mysql has unresolved dependancies

I have set up a new Ubuntu 18.04 LTS server with a LAMP + Postfix + Dovecot setup. Almost everything is working but I am getting an issue with dovecot dependencies. I have installed dovecot-core using ...
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442 views

How to use local dovecot (imap) with Alpine (18.10+ changes)

I have been using Alpine mail client with a local dovecot imap server (fed by offlineimap) for many years. Here are my compete 2011 instructions for how to set this up (https://cpbl.wordpress.com/2011/...
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2answers
102 views

Strange symbols in front of suspicious services

I have an EC2 instance running a postfix-dovecot email server. I use an AWS security key to access this EC2 and I consider the security pretty tight. When I run: systemctl list-units --type service --...
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1answer
346 views

Mailserver on Ubuntu 16.04

I know, there are like hundreds of tutorials to install "a mailserver" on Ubuntu 16.04, but I just don't seem to get it working and resetted my server the 4th time now.... What I would like to have ...
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652 views

MULTIPLE DOMAIN ON A MAIL SERVER AND WEBMAIL

I have a mail server on ubuntu 16.04 with postfix and dovecot and in the same server run roundcube webmail. I access a roundcube webmail with https://webmail.domain1.com (ssl). I need multiple ...
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127 views

Dovecot Godaddy Vps Gives error when installing with post fix

Iam trying to install dovecot on godaddy vps ubuntu 16 os i have installed postfix with smart host as godaddy works with relay server to send emails When i am installing Dovecot gives me bellow ...
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2k views

How to stop Dovecot from logging to syslog

I'm running Ubuntu 16.04 with the packaged Dovecot for imap and Roundcube for its web interface. Everything's working dandy except I can't get Dovecot to stop logging imap logins and imap logouts to ...
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1answer
6k views

installing mail server on an ubuntu server with existing web server [duplicate]

looking to install a mail server on a ubuntu server. I already have a web server running on it (apache/php/wordpress) But I am looking to also have a mail server. As I understand it I need to add MX ...
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434 views

Login failed for root from 190.20.86.0. AUTHENTICATION PLAIN: * BYE. Internal error ocurred, refer to server log for more information

Introduction I have been dealing for over 12 hours looking with an issue with my Roundcube installation in my VPS, Ubuntu 16.04. The IMAP server (dovecot) and SMTP server are working and can telnet ...
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2answers
7k views

fatal: no SASL authentication mechanisms - Postfix + Dovecot

I am trying to configure a simple email server that uses dovecot for the auth. I am inexperienced with the email procedures and I can't figure out what the problem is here: postfix/smtpd[26148]: ...
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746 views

Dovecot IMAP works only in localhost

I can connect to imap and to pop3 in local but remotly it's impossible. I've open ports in ufw but still not working. If I make an nmap remotly ports are closed: Host is up (0.040s latency). Not ...
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1answer
433 views

Postfix / Dovecot / MySQL / Ubuntu 16.04 - Receiving via IMAP, but not sending

I've reached the point where I think I've read every post/article on this and am stuck. I'm relatively new to Ubuntu, and Linux in general, but I've been trying to tackle one problem at a time. The ...
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1k views

Dovecot not starting

I've been trying to tackle this for a while now and I'm completely stumped. I believe I have all of my settings correct, however, when I try to run /etc/init.d/dovecot start command I get this message:...
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387 views

Create specific mail directory system user

I have to create a new system user with specific mail directory inside folder like /var/wwww/user/maildir I have tried chown command to assign mail directory to user but my mails are being bounced ...
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1answer
1k views

How to convert or import or integrate pst, dbx and mbox to a mail server?

I have a few mail archives in the Outlook .pst, Outlook Express .dbx, and Thunderbird mbox formats. I would like to consolidate them into a POP3/IMAP server like Dovecot. The goal is to consolidate ...
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58 views

Mail Server running well but incoming traffic kills my internet connection

I am running a Postfix - Dovecot - MySQL mail server on my personal Ubuntu dedicated server which I'm hosting it in my home. Everything is working amazing except the fact that I am getting loads of ...
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1answer
3k views

Dovecot Unable to locate package dovecot

Source.list file deb http://ubuntu.mirror.serverloft.de/ubuntu precise main restricted universe deb http://ubuntu.mirror.serverloft.de/ubuntu precise-updates main restricted universe deb http://...
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1answer
347 views

POSTFIX not honoring virtual mailboxes

We have a mail server running POSTFIX with virtual mailboxes. The server was working fine under Ubuntu 14.04. We upgraded it to 16.04 and now the server is rejecting all virtual mailbox email. The ...
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1answer
1k views

IMAP: Error: Permission deny missing +w perm?

I'm trying to create a local mail server with postfix, apache2, dovecot and squirrelmail. but i'm got this error when I login squirrelmail in browser. Please help me.
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On Ubuntu 16.04 I'd like to set up a LAN mail server to exchange emails with Android phones

Technically it should be possible. Note to start I'm not after an Internet interface just a pure local system. I'm under the impression that Postfix / Dovecot will do it but I'd like to be able to ...
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1answer
1k views

Change Dovecot to allow IMAP folder names with '.' like “test.com”

I have problem in migrating email folders, because many use a '.' in the folder names. I found out that the current dovecot default for the hierarchy separator in Ubuntu is '.'. That makes it a ...
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519 views

(Ubuntu Server 16.04) Slow sending smtp with attachment

Hi! I have postfix + dovecot How to speed up the upload attachment file from smtp? Inbox mail very fast and send mail without attachment very fast. Send with attachment very slow :( Upload 20Mb = up ...
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1answer
162 views

How to give permissions in dovecot to receive mails?

I'm installed iredmail on new server. I'm able to send emails but I'm not able to receive mails. I've checked the logs and tried to change the permissions and the group permissions but nothing works. ...
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44 views

Trouble setting up mail server(postfix, dovecot) on ubuntu 16.04 [duplicate]

i have a server with ip adrress 192.168.11.xx and i have DNS server with ip address from isp 203.174.12.xx and i build a mail server with postfix and dovecote, with ip address 192.168.11.xx same with ...
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839 views

postfix , dovecot imap/pop3

I have a mail server, postfix and dovecot. I started both as a service: : ~ # /etc/init.d/postfix Start [Ok] Starting postfix (via systemctl): postfix.service. : ~ # /etc/init.d/dovecot Start [Ok] ...
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2k views

dovecot-core purge/reinstall error

Recently dovecot was shown to need updating. No problem... Except that it barks this error out: /usr/bin/ucfr: line 323: [: : integer expression expected and collapses on itself. So I think for a ...
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991 views

Dovecot error - not finding /var/run/dovecot/auth-userdb

I've been trying to set up a Ubuntu postfix/mysql/dovecot mail server and have run into an issue: from mail.log: Error: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: No such file ...
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441 views

Mail is not received

I have a configured a mail server in my system, After configuring I am facing a problem that I can send a mail but I can't view the mail sent from external or local. Test case : Sending mail to ...
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2answers
4k views

mail not sending or receiving ?

I configured a mail server on ubuntu 14.04 using postfix and dovecot. When I'm trying to send mail or receive mail then it's not working and GENERATING no error. mail log Jun 11 07:40:18 mail ...
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487 views

“antispam plugin not configured” [closed]

I'm trying to get the dovecot-antispam plugin working on a 15.10 server (I can't dist-upgrade, it's on a vps) and I'm getting the error message of anti spam plugin not configured when trying to move ...
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1answer
4k views

Problem with PAM authorization in Dovecot

I've been using postfix with sasl and dovecot for many years. Three days ago, authorization for dovecot via PAM stopped working which means no IMAP or POP3. SASL was working as I could tunnel in with ...
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1answer
1k views

Not able to send/receive emails outside my Domain from recently configured email-server

Email-server setup is not working on Ubuntu 16,postfix,dovecot. below are the config/facts Registered a domain say atul.com ISP is comcast who blocks port 25 Created A record @ -- 1.2.3.4 No CNAME ...
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1answer
609 views

Virtual user mail server setup

I have tried multiple times to setup a mail server that uses a mysql backend on ubuntu 14.04 LTS, I have used this guide: https://www.digitalocean.com/community/tutorials/how-to-configure-a-mail-...

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