A IMAP and POP3 email server.

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19
votes
4answers
11k 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 ...
7
votes
3answers
5k 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 ...
6
votes
1answer
790 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
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
328 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
2answers
6k views

Postfix “warning: cannot get RSA private key from file”

I just followed this tutorial to set up a postfix mailserver with dovecot and mysql as backend for virtual users. Now I got the most parts working, I can connect to pop3 pop3s imap and imaps. Using ...
5
votes
1answer
815 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 ...
4
votes
2answers
662 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 ...
4
votes
1answer
833 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
3answers
5k 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
897 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 ...
4
votes
1answer
1k 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
3k 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
5k 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
1answer
5k 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
2answers
298 views

Mail Server problem sending mails to external domains

Recently I have setup a mail server with Postfix, Dovecot and Squirrelmail on Ubuntu cloud server. The server has static ip address with proper MX record(mail.mydomain.net). When I send mail to Google ...
3
votes
1answer
1k 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
1answer
970 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 ...
3
votes
2answers
345 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
2answers
495 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
3k 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 ...
3
votes
2answers
7k views

What dovecot web administration software do you use?

I'm looking for a customer-oriented web administration application for Dovecot (and Exim, if it matters), but a lot of the software I've found so far is either buggy and doesn't work, or is an ...
3
votes
1answer
452 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
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
144 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
5k 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
2answers
465 views

Is there a way to pause mail delivery in Postfix (accumulate in queue)?

When using combination of Postfix/Dovecot, is there a way to tell smtp server (Postfix) not to store mails on disk but hold/add them to queue until "maintenance finished"? Useful for disk upgrades, ...
3
votes
2answers
4k views

Dovecot: auth sockets permissions

From my postfix setup I'm running deliver as nobody:nobody and it can't connect to auth-worker socket of dovecot. Thats my dovecot config: # 2.0.13: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-lts ...
3
votes
2answers
1k views

Using ecryptfs encrypted home directories with Dovecot

I have setup home directory encryption on Ubuntu 10.04 machine, but ecryptfs does not seem to be able to work with Dovecot (or CourierIMAP, etc). After successful IMAP login, home directory is never ...
3
votes
1answer
972 views

Postfix sasl: Relay access Denied (state 14)

I have postfix installed with dovecot. There are no problems when I'm trying to send e-mails from my server, however all e-mails that are coming in are rejected. My main.cf file: queue_directory = ...
3
votes
0answers
107 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 ...
3
votes
1answer
499 views

glusterfs and dovecot problems

Ive got two servers with a shared glusterfs disk, both running dovecot and serving mail from this shared disk. Users read mail only from one of these servers but mail gets delivered to both. ...
3
votes
1answer
1k views

Can't make Dovecot communicate with Postfix using SASL (warning: SASL: Connect to private/auth failed: No such file or directory)

Solved. I will leave this as a reference to other people, as I have seen this error reported often enough on line. I had to change the path smtpd_sasl_path = private/auth in my ...
2
votes
4answers
2k views

Mail server compromised. Yahoo refusing mails

I think our mail server has been compromised. Today morning when I checked, there were 1298 refused mails from yahoo. with this message Messages from x.x.x.x.x(our ip) temporarily deferred due to user ...
2
votes
5answers
5k views

Recommended Dovecot / Thunderbird to Exchange / Outlook Migration Strategy

We are moving ~60 user mailboxes from a Postfix/Dovecot/Maildir setup into Exchange 2007. I am aware of Microsoft's Transporter Suite, which will allow for an IMAP-to-Exchange conversion of mailboxes ...
2
votes
3answers
2k 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 ...
2
votes
2answers
5k views

Changing IMAP port for Dovecot

I'm running Dovecot to let people access their email on my server. Unfortunately, some are on networks where they can't connect on the normal IMAP port, so I'm trying to change it. I changed the ...
2
votes
1answer
94 views

Installing and maintaining an email server [closed]

I need to move hosting providers for four or five domains and for several reasons I'm considering a Linux VPS rather than staying with my current shared, managed hosting provider. The only thing ...
2
votes
2answers
411 views

Postfix with Dovecot configured and send emails with no errors. When sending from a remote client message-id is empty, and emails go to spam.

I have Postfix and Dovecot installed and running on the VPS. Using telnet once from VPS, and once from a client machine, I'm composing exactly the same messages. Everything is working but when sending ...
2
votes
1answer
126 views

Postfix rejects SASL auth when dovecot is down

We're using Postfix with Dovecot and SASL Auth via Dovecot (based on this tutorial). All works like expected. But when Dovecot is down (i.e. for maintenance or other reasons) then clients could not ...
2
votes
2answers
9k views

How to start dovecot?

I'm building a web server to host multiple websites. I got everything working except the mail server. I'm using linode to host my vps and I've been following their tutorials. FYI, I'm using Ubuntu ...
2
votes
1answer
1k views

Logging into IMAP (Dovecot) server

I am attempting to login to my IMAP Dovecot server on my Amazon EC2 instance. I am attempting to login as root and I recieve this error in the mail log: dovecot: imap: Error: user root: Invalid ...
2
votes
3answers
3k views

How to configure dovecot as gmail imap proxy

I want to configure dovecot as gmail imap proxy. If any system in my network wants to connect to imap.gmail.com,993 it has to go through the dovecot proxy. Is it possible to setup such environment ...
2
votes
2answers
48 views

Imapsync doesn't sync unicode characters properly

I am using imapsync to migrate my e-mail account from a CPanel (courier) mailserver to a Debian/Dovecot one. The issue I am facing has to do with some folders that contain Unicode characters. For ...
2
votes
1answer
298 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 ...
2
votes
1answer
2k views

How to automatically forward mail with Postfix/Dovecot?

I set up Postfix/Dovecot with MySQL on a Linode instance from this tutorial, and I am now trying to forward all email that comes to someaddress@mydomain.com to anotheraddress@anotherdomain.com ...
2
votes
2answers
2k 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 ...
2
votes
2answers
877 views

Dovecot, POP3 and Gmail

I setup Postfix and Dovecot on a new Ubuntu box following these directions. From a client machine, I validate that POP3 seems to be working telnet mydomain.com 110 +OK Dovecot ready. USER ...
2
votes
1answer
980 views

mail delivered then removed in postfix

I just installed and configured Postfix/Dovecont + Mysql + PostfixAdmin. When I try to send email from e.g. gmail.com it's delivered but I cannot see it in mail folder. Seems to be deleted. Here is my ...
2
votes
1answer
999 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 ...