A IMAP and POP3 email server.

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31
votes
4answers
22k 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 ...
6
votes
2answers
759 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 ...
5
votes
3answers
395 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.
8
votes
3answers
10k 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, ...
-6
votes
2answers
2k views

Why use Dovecot AND Postfix/Sendmail? [closed]

Forgive me if I'm missing something obvious here..... but why do most linux server distros come with both Dovecot AND Postfix (or sendmail)? As far as I'm aware all three of them are Mail Transfer ...
3
votes
2answers
415 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. ...
2
votes
1answer
531 views

postfix: relay access denied. How to fix it?

I've been fiddling with main.cf file for a long time but still couldn't find why. I've set up an email server with this tutorial Email with Postfix, Dovecot and MariaDB on CentOS 7 This is the part ...
2
votes
1answer
298 views

SASL PLAIN authenticating with primary domain, but not with virtual domain

Postfix + dovecot and sasl. Works so far with 1 domain. Added a virtual domain. Incoming mail for this works. Outgoing however has SASL authentication failing. Why does it fail I don't know. ...
2
votes
2answers
1k views

Postfix sends email to spam (gmail, hotmail)

I recently installed a postfix + dovecot + dkim multi domain, multi user, multi alias mail server on my debian squeeze system. Everything works except for one big issue that basically makes the whole ...
2
votes
2answers
2k views

Postfix Connection Timed out

I used the tutorial below to setup postfix and dovecot on a Digital Ocean server. But I'm getting "Connection Timed out" when postfix/smtp tries to deliver an email to a remote host like gmail or ...
1
vote
1answer
228 views

mail client Thunderbird does not read new mails from dovecot/postfix mail server

I run a server: Debian GNU/Linux 7.8 (wheezy) and used the default mail system (exim) for mails with regular users (no vmail). Mail system did not work properly for some users, so I removed exim and ...
1
vote
2answers
2k views

Postfix not working

A while ago I installed the postfix mail server on my ubuntu 10.04 VPS. At the time it was working good but now it's just stopped working. I was trying to enable SASL authentification and somewhere it ...
-1
votes
1answer
997 views

Ubuntu: How to change Dovecot POP3 default port to 110?

I was trying to log in to my email from Gmail POP3 feature and I had to try every single port to connect to my mail server. What's the command on terminal or what file I have to change the Dovecot ...
2
votes
2answers
7k views

Postfix/Dovecot permissions on new files in a mailbox

According to this article: When creating new files inside a mailbox, Dovecot copies the read/write permissions from the mailbox's directory. I'm not seeing this. Here is what I'm seeing: ...
3
votes
1answer
4k 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
3answers
4k 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 ...
1
vote
1answer
535 views

procmail is ignoring user settings

I use procmail for filtering emails in combination with postfix. procmail is triggered by postfix via the in the main.cf mailbox_command mailbox_command = /usr/bin/procmail -t -a "$EXTENSION" but ...
12
votes
2answers
8k 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
10k 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 ...
4
votes
5answers
5k 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 ...
4
votes
1answer
879 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 ...
3
votes
1answer
3k views

Exim authentication using Dovecot driver

Been following the instructions at the Dovecot Wiki for setting up Exim to share authentication credentials with Dovecot. I have setup Dovecot to deliver mails for virtual users and setup a router ...
2
votes
1answer
10k views

telnet unable to connect to remote host

I have installed postfix and devcot on one of my live servers to send bulk mail (system messages on sign-up, wrong passwords etc). I use the php_imap function to check bounces and flag those email ...
1
vote
1answer
5k views

Dovecot Virtual Users Not Authenticating

We have a standard Postfix/Dovecot installation working perfectly with real users but cannot work out how to add virtual users, all virtual user login attempts fail with authentication errors. ...
0
votes
1answer
1k views

should I use noanonymous?

I have postfix and dovecot on a machine and I don't want anonymous sasl. This is my main.cf smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes ...
0
votes
2answers
2k views

Postfix - Is there a way to reject invalid authentication (even for mynetworks)?

I got a working postfix/dovecot configuration running with the following rule for recipients rejection: smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject This works ...
3
votes
1answer
319 views

Postfix/Dovecot - Multiple Domains and Multiple Linux Accounts

I have been trying to setup a new mail server to migrate from my VPS, as my host has decided to close its doors. The old server was running Exim/Courier (nearly a decade old at this point,) and I'm ...
3
votes
1answer
2k 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 ...
2
votes
3answers
6k views

Centos Postfix/Dovecot - Permission problems after migration upgrade

We are migrating from an old Centos 5.5 system to a new Centos 6.4 server. The postfix version looks the same, but Dovecot has gone up from 1.x to 2.x. It uses MySQL to store the mail account details ...
2
votes
2answers
10k views

dovecot-lmtp does not exist

I followed this guide on linode to setup dovecot and postfix mail server on my Ubuntu 12.04.2 LTS . The setup requires socket /var/spool/postfix/private/dovecot-lmtp to act as virtual transport. ...
2
votes
5answers
4k views

Force Dovecot not to log connect/disconnect messages

My /var/log/mail.log gets constantly flooded with Dovecot connect/disconnect messages like this: Mar 29 18:15:48 summit dovecot: IMAP(foo@bar.baz): Disconnected: Logged out bytes=63/2126 ...
1
vote
1answer
99 views

IMAP server can't read (open) mails using fetchmail, procmail & dovecot

I'm trying to setup a mail server ! Everything seems to be ok (after some loooong days) but when I tried to read mail with IMAP server : Apr 18 17:38:48 sd-84941 dovecot: imap(dlp): Error: ...
1
vote
1answer
1k views

Postfix + Dovecot with MySQL backend: md5-hashed passwords and CRAM-MD5 auth

My question What are the risks of switching from MD5 to CRAM-MD5 passwords in the database, especially considering the following, and how to approach that for an existing installation (provided I ...
1
vote
1answer
215 views

Migrating messages from an old mailserver to a new (courier)

So I have a linux box running Postfix/Courier for use as a mailserver, using Roundcube as a front-end. User accounts are setup in the usual Maildir, with cur, new, and tmp folders. I had an older ...
1
vote
1answer
6k views

CentOS 6.5 Webmail Server: warning: SASL: Connect to private/auth failed: No such file or directory

I'm trying to run a webmail server on CentOS with Postfix, Docecot and Roundcube. Whenever I try to send mail or send a test email to my server it fails. I can login so looks like Dovecot is okay. ...
1
vote
1answer
529 views

How to avoid 554 error duplicate header

I set up IRedMail on an AWS server, so the mail stack looks something like this: Postfix Dovecot Roundcube Mail sent through Amazon SES I'm trying to forward emails to Gmail using the Managesieve ...
1
vote
4answers
8k views

Dovecot does not fetch mail from /var/spool/mail/$user to mail_location

As seen in the /var/log/maillog when mail received or sent, sendmail saving mails to /var/spool/mail/$user and logging them as stat=Sent When a user try to send or receive mail via imap it is not ...
1
vote
1answer
1k views

Postfix/Dovecot support multiple domains

I have a server running Postfix/Dovecot with a MySQL back-end which is configured to use the domain name 'olddomain.com'. I am migrating everything to use another domain 'newdomain.com' and ...
0
votes
2answers
235 views

IMAP connection refused

I am running Postfix and Dovecot using IMAP and SSL using unix accounts. When running openssl s_client -connect localhost:993 I get an error message Connection Refused, Errno 111. Using telnet ...
0
votes
1answer
193 views

Failed Gmail SPF check when importing mail through IMAP from our mailbox when original email was sent with ESMTP headers

We have a strange situation: we receive an email with ESMTP headers in it our server accepts it, it's fine we import that mail in Gmail like any other emails from our boxes Gmail makes SPF check ...
0
votes
1answer
359 views

Out-of-date IMAP back-up - restore emails from Client?

The IMAP server just died (Dovecot with Maildirs). The back-up is 1 day old. The missing day of emails is available on the Thunderbird local client. If the IMAP server is restored from backup, on ...
0
votes
1answer
135 views

postfix/dovecot/mysql not sending/getting emails [duplicate]

I understand that I posted this before, however I left out some very important details which apparently made a lot of people less likely to answer, here's a more detailed version. My ...
0
votes
2answers
843 views

Dovecot pop3: Disconnected for inactivity

We've application fetching messages from mailbox inbox. Once, application stoppped fetching, then we'd the following in maillog: Aug 15 11:03:47 server_name postfix/virtual[16743]: 731E258003: ...
0
votes
1answer
2k views

What is stopping postfix from delivering mail to the local transport agent?

I have the following settings ( as grabbed from my postconf -n output) alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = ...
0
votes
1answer
257 views

Postfix only delivering mail locally (instead of correct destination)

For whatever reason, postfix cannot send email to my google apps account. It says the message is sent, but I've confirmed with google apps support that the message isn't being received. (Thus it is ...
0
votes
3answers
2k views

How do I setup Sendmail + Dovecot + Roundcube on CentOS6 [closed]

Pretty much what the title says. I've been digging all over the internet trying to figure this stuff out. I have a CentOS 6 box. I have Sendmail and Dovecot and Roundcube all installed. Roundcube ...
0
votes
2answers
256 views

using sendmail with only non system users

I need to use sendmail without any system users. The only problem that still exists in my configuration is that FEATURE(virtusertable) wants a final systemuser on RHS in my virtusertable like this: ...
0
votes
1answer
268 views

Dovecot hangs on all logins including local telnet [closed]

After a routine system upgrade (Debian testing) yesterday, clients stopped being able to connect to our mailserver's imapd. Following the troubleshooting/test guide ...
0
votes
1answer
513 views

Dovecot, maildir on Windows 2008r2 NFS share

I'm really banging my head on this one. I have a CentOS 6.1 running postfix/dovecot accessing a Windows 2008R2sp1 NFS share. In a test where the Windows server is a stand-alone file server, I can ...
0
votes
2answers
3k views

Emptying Trash with Dovecot IMAP

On a Debian Squeeze system I run an IMAP server using Dovecot with messages being stored in the Maildir format. The server is accessed by various clients, including Thunderbird, Evolution and ...