A IMAP and POP3 email server.

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23
votes
4answers
15k views

Why Does hotmail still reject my emails?

I have a very strange problem with my emails being marked as spam by hotmail. I just have configured Postfix + Dovecot on my server and all works perfectly. I can Send/Receive emails. I only have ...
10
votes
2answers
2k views

Can't receive mails from Gmail

A few days ago Gmail suddenly decided to stop sending mails to my mailserver. I am using Postfix and Dovecot with an paid SSL Certificate running on Debian 7 with everything updated. My mail.log ...
8
votes
3answers
7k views

How do I change Dovecot virtual user passwords?

I used one web based control panel to create some virtual users for Dovecot. That control panel no longer works so I need to do this manually. I need to reset the password for one (virtual) user ...
7
votes
2answers
56 views

What options exist for changing usernames transparently in Webmail?

Currently, we have a fully working POP/IMAP/Webmail system (using Dovecot and Roundcube) that is a gleaming tower of perfection in its intended design. We have thousands of customers who belong to a ...
6
votes
2answers
1k views

run sieve on maildir

For my mailserver I have a dovecot, postfix and sieve setup. I have several hundred mails in my maildir and have recently created some sieve rules for sorting them. Unfortunatelly the sieve rules are ...
6
votes
2answers
249 views

Failed SPF for email imported to Gmail because of client IP instead of server's in message when sent through SMTP from one local box to another

We have a linux (Debian) VPS with domain (let's say example.com with MX mail.example.com) that has SPF set up. There is dovecot+exim running. There is also Direct Admin on top of that. When I send a ...
6
votes
2answers
66 views

Postfix deny relay for some virtual users

I'm using Postfix as MTA and relay. Users that wish to send e-mail from a remote system authenticates and Postfix hands that to Dovecot, and this works well. But how can I limit which users can use ...
6
votes
1answer
2k views

is it safe to remove mails on imap server with “rm”?

I use dovecot IMAP server and want to delete big unneeded mails: cd /var/spool/foouser; du -a | sort -rn > /var/tmp/du-mail-foouser.log Now I see big mails at the top and after looking at them I ...
6
votes
1answer
1k views

Forcing Dovecot to use SSL

I set up a mail server on an Ubuntu 11.04 distribution using the dovecot-postfix package. sudo apt-get install dovecot-postfix For some reason, I can't seem to disable non-SSL access through ...
6
votes
1answer
900 views

Dovecot IMAP indexes are getting locked by Blackberry devices

This is an odd issue that I tend to see with Blackberry devices connecting via IMAP on some of my Sendmail+Dovecot mail deployments. For users of those devices, the Dovecot indexes tend to get locked. ...
6
votes
3answers
846 views

Monit failing to connect to Dovecot over SSL IMAP

I run Monit to keep check on processes on a Debian server. It's working as normal for all other services (Apache SSL, Postfix, SSH etc.) but Monit's checks on Dovecot are failing repeatedly. I think ...
6
votes
1answer
2k views

Applying ACLs to a Dovecot public namespace

I would like to provide access to some mailing lists via a set of public, read-only mailboxes in Dovecot. I have a public namespace define in my dovecot (dovecot-2.0.9) configuration that looks like ...
5
votes
3answers
5k views

Dovecot user lookup fails when using username@domain format

I have Dovecot v2.0.11 installed on a FreeBSD server and the user lookups for incoming email addresses are failing, but lookups for system users is successful. Dovecot is setup to use system users, ...
5
votes
3answers
359 views

Is SPF enough to make sure emails get delivered to inbox?

So I just succesfully set up postfix + dovecot. is SPF enough to make sure emails get delivered to my website's users? I don't want my emails to end up in their spam box.
5
votes
1answer
70 views

postfix dovecot disable lmtp

I have 3 servers. 1 MX server with postfix and 2 dovecot servers. MX server receive emails and then serve them through LMTP to specific dovecot server. All mailboxes from same domain are on same ...
4
votes
1answer
859 views

Moving mail server to google apps

I just recently moved one of my Mail server (Exim+dovecot) to google apps thinking it would be a good idea. I am interested to hear what the serverfault community think about it, and mostly weight the ...
4
votes
1answer
2k views

how to restore default configurations for dovecot

I have Dovecot 2.0.13 running on Ubuntu Server 11.10. While installing I configured it for my work requirements. Now I want to reconfigure it again but I don't know how to do that. I want to ...
4
votes
1answer
4k views

Dovecot - Unable to receive mail - Fatal: Plugin 'sieve' not found

Struggling to Dovecot/Postfix set up on Ubuntu 11.10, Dovecot version: 2.0.13, Postfix version: 2.8.5 I can send outbound mail using the mailx command, but I can neither receive mail or send mail ...
4
votes
2answers
174 views

postfix “User doesn't exist” but user does exist

I am having a strange situation which I could not find elsewhere. When I send mail to rcook on my local machine, I'm seeing this in the syslog: Feb 16 20:27:14 linode postfix/pickup[1305]: ...
4
votes
1answer
2k views

Setting myhostname and Mydomain in postfix for mutiple domains

I have 5 domain names currently pointing to my email server, which is running CentOS 6.5 with Postfix, Dovecot installed. Although I am now only able to receive emails but not send (for reasons I ...
4
votes
3answers
7k views

Dovecot with Postfix on Ubuntu: warning: SASL: Connect to private/auth-client failed: No such file or directory

I can't seem to get dovecot to start. My log keeps showing this stuff: connect from localhost[127.0.0.1] Mar 1 17:15:01 mac postfix/smtpd[32526]: warning: SASL: Connect to private/auth-client ...
4
votes
1answer
37 views

Maildir on Debian Squeeze - Finding email boxes on /lost+found

A server that I'm helping to administrate had a severe file system problem and now there's a lot of files inside the /lost+found directory. I'd like to find the user@example.com's received and sent ...
4
votes
1answer
53 views

How to handle external alias with dspam as daemon between postfix and dovecot with virtual domains?

I've got the following situation for incoming mail with Postfix 2.9.6, DSpam 3.10.1 and Dovecot 2.1.7: Incoming Mail -> SMTP -> LMTP -> DSpam (as daemon) -> LMTP -> Dovecot I've got ...
4
votes
1answer
243 views

Postfix SASL with Dovecot and Authenticated Smarthost

I have a bit of a problem; I have configured postfix to use dovecot for SMTP AUTH, therefore I had to specify dovecot authentication in the main.cf file. The problem is, I need to also authenticate to ...
4
votes
1answer
353 views

How to trigger custom actions in dovecot, when email is moved or deleted?

In my dovecot setup I use virtual folders (not to be confused with virtual users). My goal is to get something like seen in googlemail. I want a folder containing all my messages and also I want to ...
4
votes
2answers
4k views

Dovecot error: ssl enabled, but ssl_cert not set

I've been trying to get Postfix and Dovecot set up for days and I think I have resolved all problems except for one that just came up. When I try to restart Dovecot I get the following error message: ...
4
votes
1answer
4k views

Dovecot (with Postfix) configuration has connection refused when accessing auth-userdb

...this was a hard one to describe in a title. This description should highlight the problem. Context I was following the Workaround.org tutorial to install a postfix, dovecot (plus some additional ...
3
votes
5answers
4k views

How do I setup a secondary incoming mail server?

I currently have a server running Debian 6, with postfix and dovecot handling email. This server hosts email for a number of domains and users, so I use MySQL as my backing store for users and ...
3
votes
4answers
7k views

How can I migrate Dovecot from one server to another?

I have a Dovecot installation on a Fedora 12 "server" at home and I want to move all my mailboxes onto a virtual CentOS 5 server. How can I do this? Which files to I have to copy? Is it even enough ...
3
votes
3answers
3k views

Dovecot Migration and old mails

I'm migrating my mails from an old server to a new one, the configuration is good (mysql virtual accounts & imap only), with dovecot and postfix. It's already running for other users, I just want ...
3
votes
1answer
7k views

Dovecot 2 /auth-userdb permissions

Error in log file: userdb lookup: connect(/var/run/dovecot/auth-userdb) failed: Permission denied (euid=5000(vmail) egid=5000(vmail) missing +r perm: /var/run/dovecot/auth-userdb, euid is not ...
3
votes
1answer
2k views

HA mail server configuration

I have a mail domain and two servers (machines) with Centos 6.4 and public IP addresses. Postfix mail server and Dovecot IMAP/POP3 Server are installed on both. How would I set them up redundantly so ...
3
votes
2answers
257 views

Setup Postfix+Dovecot reading from database

I'm trying to setup Postfix and Dovecot, the latter with virtual users stored in a MySQL database, following this guide (but here I recap everything as there are some "bugs" in the guide I fixed ...
3
votes
2answers
3k views

Postfix “AUTH-LOGIN” no longer being offered for smtp auth after upgrade from Ubuntu 10.04 to 12.04.1

After doing a major Ubuntu dist upgrade from 10.04 to 12.04, my virtual-user postfix / dovecot installation only offers "PLAIN" SMTP Authentication mechanism. It used to offer PLAIN + LOGIN ...
3
votes
1answer
124 views

Dovecot SSL Certificate is not accepted

I have certificates issued from StartSSL, which is a trusted authority for certificates, and my websites work with its certificates with no problems and no complaints from all browsers about any trust ...
3
votes
2answers
378 views

In Postfix, how do I measure how much traffic is used by each user or domain?

In Postfix, how do I measure how much traffic is used by each user or domain? I can see no "out of the box" means of doing this with vanilla postfix, however, I am sure this is a pretty common need. ...
3
votes
1answer
1k views

Where can I find a list of all parameters/variables used in Postfix master.cf?

In postfix master.cf, there are entries like this (for dovecot): dovecot unix - n n - - pipe flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${user}@${nexthop} -n -m ...
3
votes
1answer
34 views

Dovecot says: “Requested CRAM-MD5 scheme, but we have only CRYPT” yet CRAM-MD5 is available

Following upgrade of Fedora Core 16 to Fedora Core 21, the new Dovecot installation isn't authenticating correctly and it's not at all clear why. We have 50+ email accounts served by this server, so ...
3
votes
1answer
52 views

searching for the correct way to compile postfix

I am experiencing issues while compiling latest version of postfix from source code. At the moment I'm trying to compile version 3 because Debian 7 and latest Ubuntu 14,10 (version 2,9 and 2,11 for ...
3
votes
2answers
552 views

postfix+dovecot multiple domains config

I'd like to setup 2 distinct mail services (that look completely separated for end-user) on one machine with 2 IP addresses and 2 domain names. I've started with my current config which is a ...
3
votes
1answer
401 views

Mail server hammering

I've noticed a quick increase on smtp connections coming to my server, investigating it further i figured out that there's a botnet hammering my smtp server. I've tried to stop it by adding a rule at ...
3
votes
2answers
864 views

Dovecot unable to perform mysql query

I have been following the ISPMail tutorials on workaround.org (the 2.9 Wheezy version) and thus far everything has been working fine. When I reached the step to "Testing email delivery" step I noticed ...
3
votes
2answers
2k views

Dovecot, IMAP outlook reports error 0x800CCC0E cannot synchronize subscribed folders

I have recently some issues with people using my email server. They have problems with synchronizing folders on outlook, and I can't figure out what to do. I found somewhere that I could extend a ...
3
votes
1answer
776 views

Postfix and Dovecot - setting up TLS encryption for IMAP

I am able to connect to my Dovecot server and read emails. However I am currently doing it using the "PLAIN" password connection. How can I setup postfix and dovecot to use TLS? From what I recall ...
3
votes
1answer
6k views

SASL LOGIN authentication failed: UGFzc3dvcmQ6 - Find the username

First let me state that the mail server is working fine and users can connect and send email. Basically there is a local web script connecting into the mail server trying to send mail every few ...
3
votes
4answers
1k views

How to determine if my mail server is configured correctly?

Does anyone know of an online service (similar to the ones that tell you if a site is up or down) that can connect to a specified mail server and perform checks to see if it is configured correctly? ...
3
votes
1answer
310 views

Postfix with Dovecot: local and virtual users

I just finished setting up a Postfix SMTP and Dovecot IMAP/POP3 server. It works perfectly fine for virtual users both sending and receiving, but I need to do the following: Besides virtual users ...
3
votes
1answer
310 views

Wheezy processes die periodically

I have a very weird problem. Certain processes on my mail server, but not all, die periodically (every second month or so). A few of the process that die are: ssh dovecot postfix Processes that ...
3
votes
1answer
10k 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 ...
3
votes
1answer
665 views

How do I use “catchall” in my postfix alias?

I have this in my main.cnf: alias_maps= regexp:/etc/aliases Inside that file, I have: /^reply*$/: jjj Now, when I send it to reply-124233@mydomain.com, postfix bounces it because Recipient ...