Tagged Questions

Courier is an open source email server which supports common protocols such as SMTP, POP3, and IMAP. It should compile on POSIX-based operating systems based on Linux, and BSD-derived kernels. Official site.

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1answer
63 views

postfix courier mailserver does not create /home/vmail maildir but instead a file in /var/mail/

I followed this tutorial to the letter. However, after mailing a welcome message, postfix does not create a Maildir in /home/vmail. instead, it creates a file with the username in /var/mail/. This ...
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2answers
104 views

Courier IMAP always disconnects since update

Since one of our customers updated their server courier does not handle IMAP connections properly any more. POP3 works without any problems. When I try to test IMAP with telnet then it is always like ...
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0answers
58 views

Migrate Maildir between courier and dovecot servers

I have several tarballs that make up all the previous emails for two or three accounts on a mail server. This machine we be shut down within a few weeks and so I need to migrate all the previously ...
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1answer
115 views

Postfix + Courier + MySql mail server with SASL

I am really at a loss configuring this mail-server deployment. I am following the excellent guide posted at http://flurdy.com/docs/postfix/. I'm using Ubuntu 10.04 LTS on Linode. While following ...
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1answer
47 views

Configure Courier-pop without home directories

I'm doing some tests with a brand new Ubuntu Server 11.10 installation. I installed postfix and courier-pop for pop3 and, from what I could gather, it looks like courier doesn't support mbox filetype ...
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0answers
113 views

postfix, courier-imap and virtual users quota

I am using Postfix MTA and courier-imap server. Clients and domains are virtual and stored in PostgreSQL database. Postfix reads quota data from SQL table OK and I can see such messages in maillog ...
2
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1answer
32 views

How to specify a CA for Courier POP3s?

We have our own CA that signed this certificate. Our CA's public cert is in /etc/ssl/certs on the server. It appears that Courier is not trusting or finding the CA cert? I've added the CA to ...
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1answer
67 views

Rebuilding courier message files

I run a mail server on which I have courier imap and pop3 running. Recently I moved some local messages from my machine (previously downloaded with pop3) onto the server so I could use imap. I used ...
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1answer
32 views

Invalid user when sending emails

I have a Ubuntu server with Postfix and Courier (both appear to be running fine). We used to have a control panel provided by our host but after upgrading the server it's no longer available. But now ...
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0answers
174 views

Cannot connect to Ubuntu Courier-IMAP server from Thunderbird

I've installed Ubuntu 10.04 LTS Lucid EBS boot from alestic in my Amazon EC2 micro instance. Then I've followed the following tutorial: ...
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0answers
58 views

Maildrop command stucks at: “changing to” folder

A mailserver (Centos 4) I manage can't deliver messages to user's mail folder. Before this problem I haven't had any Here is what maillog reports: postfix/local[4674]: AD90FA7527: ...
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1answer
75 views

Courier authentication library not found: compiling courier-imap on Ubuntu Natty

I am attempting to compile courier-imap on Ubuntu Natty in order to change compiled-in options. Even though Courier is installed in the system, including the courier-authlib package (using apt-get), ...
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1answer
212 views

Courier imapd: Failed to connect to socket /tmp/fam--

I am attempting to set up an email server on Ubuntu Natty based on postfix and using Courier's imap interface. Emails are received into virtual mailboxes without problem and can then be retrieved and ...
0
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1answer
104 views

Courier Authentication Library with MySQL Authentication - Unable to configure

I'm building a replica of a production server for migrating it to a Virtual environmnet. I do not want to just copy it as it is a 32 bit CentOS 5, and I upgraded it to CentOS 6 64bit. I managed to ...
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1answer
203 views

Redundant Mailservers

We recently had a harddisk failure on our mail server (debian/postfix/courier) so I'm researching a way to build redundancy. The first way I found was to setup multiple mx Records in the DNS Server ...
2
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1answer
48 views

Thoroughly test postfix/courier

I've set up a Postfix/Courier mail server that is not quite mission-critical, but still quite a critical system. Does anyone know of any systems I can use to thoroughly test the system for any errors ...
0
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1answer
105 views

exim4+courier (or any other SMTP+IMAP) distributed redundancy setup

Is it possible (and how) to set up two servers to handle mail for a domain (or two domains) in such a way that any of the servers can get down for a while (like few days) transparently, i.e. so that ...
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1answer
392 views

Help please! Postfix SASL SMTP

I am getting an issue when trying to send out email on 465 secure SMTP with a Postfix + Courier with MySQL virtual users. I am able to connect with IMAP secure and download, and I can also send mail ...
1
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1answer
154 views

Postfix + Courier virtual domain/users and maildir

I have Postfix + Courier setup with virtual domains/users in MySQL, however, in /home/vmail these directories are not created so I get: Apr 1 17:56:18 Lucid authdaemond: Authenticated: ...
4
votes
3answers
477 views

Can I use the same SSL certificate for smtp, imap, pop3 and http?

So far I'm using self-signed certificates, but decided to at least consider getting the "real" one. So far I noticed that internal formats of the certificated are a bit different, that is: http ...
0
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1answer
87 views

Postfix, Courier POP3 root account receiving all mail

I have installed Postfix and Courier pop3 on Ubunto Hardy. I setup MX record to point to the server I built and it is working to some extend. I can email root@myFQDN.com from outlook and it works OK. ...
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2answers
508 views

Postfix - User unknown in virtual mailbox table + authentification failed

I'm trying to set postfix with MySQL authentication. I can send mails (from postfixadmin) to different domains. The problem is that I cannot send any mail to my domain or even log-in to squirrelMail ...
0
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1answer
138 views

Problem with e-mail server

I follow this tutorial step by step and in the end http://wiki.mediatemple.net/w/DV:Install_Postfix_on_Ubuntu#Configuring_TLS_and_SASL_authentication and i can make mi server work correctly the ...
1
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1answer
566 views

Exim4 SMTP Authentication to Courier

I've recently setup Exim4 on an Ubuntu 10.04 server with Courier. Everything is working fine for local mail deliver, the only missing piece is SMTP Authentication. I have an account setup on the ...
3
votes
2answers
583 views

Setting up Procmail Filtering for Spam on Postfix/Courier+MySQL Virtual Users

I've been searching for a resource on how to do this but not having much luck. I am running a working MTA/MUA that is based on Postfix and Courier with MySQL as a backend for virtual users. I based ...
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1answer
63 views

help me with permissions of next linux files and directories

while checkin my server, decided to find all files/directories that are owned by user bin. i found next: /etc/rc.d/init.d/courier-imap /etc/pam.d/imap /etc/pam.d/pop3 /etc/courier-imap/shared ...
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5answers
92 views

What is causing these strange mail logs?

I was recently going over some old mail logs, and I came across this: Jun 12 14:51:56 hostname imapd: LOGIN FAILED, user=Purple, ip=[::ffff:127.0.0.1] Jun 12 14:51:56 hostname postfix/smtpd[21538]: ...
2
votes
1answer
202 views

Setup defaut email forwarding, Courier mail server

I'm using courier in cPanel. I have ROOT, and I want to setup like this: If you send any email to my server, it will forward to my email: dk.mmmm@yahoo.com Or if my server receive any email, then ...
1
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1answer
1k views

Move postfix maildir files from one mail server to another

I have a new mail server configured as described in this howto: http://howtoforge.com/virtual-users-domains-postfix-courier-mysql-squirrelmail-ubuntu-9.10 I also have an ancient mail server ...
0
votes
3answers
111 views

Is there any limit on the number of e-mails in a given folder with Courier IMAP?

I'm not running into a problem or anything, I was just curious about this when I saw I have 2 folders with around 20,000 items in each. Everything works fine (using Thunderbird), but I couldn't find ...
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0answers
477 views

Courier auto create folders

I am having a virtual mailserver with exim4, courier, mysql and good known filtertools. The exim server validates the users for smtp by the courier service. Now I want the courier to auto-create the ...
2
votes
2answers
2k views

Mail server: can't connect via POP/IMAP

I've followed this guide on setting up a mail server on my dedicated server. I've been able to send mails from the php application I'm using and the linux commandline (using telnet, php, etc). The ...
0
votes
4answers
115 views

Find all email addresses

I'm looking for a way to make sure I've got a list of every mailbox and alias on my email server. I use courier and exim4. I produced a list from getting everything from the /home folder, but I ...
0
votes
1answer
187 views

ehcp - access pop3 account

I finally manage to get mail working with ehcp on an ubuntu server. I can get and send email from the webmail, but I can't seems to be able to access the pop3. I can telnet to the pop3 (server?) but ...
0
votes
1answer
99 views

Courier-imap results in chmod error when started

I'm using CentOS5 and cannot start IMAP. -bash-3.1# service courier-imap start Starting Courier-Imap: chmod: cannot access `run': No such file or directory I'm not entirely sure what that error is ...
2
votes
2answers
2k views

Faster IMAP searching for Courier IMAP server on Linux

I am looking for tips on improving IMAP search performance using Courier IMAP. The current version is 4.2.1. Unlike in the question "Fast search for IMAP?", I'm specifically looking for server side ...
0
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2answers
815 views

Block mails with local from-addresses from unauthenticated senders using courier-esmtpd

We run a small courier mail server (courier-esmtpd). It is configured to accept mail from authenticated clients without recipient restrictions and mail from everywhere to local addresses: ...
1
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3answers
618 views

Weird load issues running Courier IMAP inside Linode VPS

So... I see some very weird load issues on our e-mail server. It starts spiking around 8-9am (coincidentally that's when people start working), but it goes down around 11am or so. CPU usage remains ...
1
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2answers
145 views

Sporadic undeliverable mail notification on Courier mail server

About 95% of outgoing mail goes through, but I get sporadic undeliverable mail notifications while trying to connect to other mail servers. >>> STARTTLS <<< 500 couriertls: connect: ...
1
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6answers
2k views

Courier-IMAP + Thunderbird (+ Roundcube) subscription woes

So we have a mail system built on postfix-courier-saslauthd with unix users and maildirs and TONS of shared folders. Both T'bird (2.0.0.21) and Roundcube exhibits weird symptoms with subscriptions. ...
2
votes
1answer
551 views

Optimal settings for Postfix and optimizing a custom delivery script on a VPS

So I have Postfix + saslauthd + Courier-IMAP deployed on a Linode 1080 VPS. We are a small company, we have around 30 accounts (I use physical *nix users for the sake of convenience + Maildirs, see ...
2
votes
3answers
605 views

Where can I find tuning resources for postfix, saslauthd and courier

I just deployed postfix, saslauthd, courier to a starter VPS box running Ubuntu 8.04 with with 512MB of memory. Most of the memory is now being eaten up by these processes. I do plan to upgrade to a ...