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Questions tagged [courier]

An SMTP/POP/IMAP email server

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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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 improvements. Access performance is already quite…
Wade
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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 (nginx) certificate has only CERTIFICATE part (with…
user13185
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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 plan with more RAM and eventually switch dedicated…
Brian Matthews
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Courier MYSQL_QUOTA_FIELD isn't working

In /etc/courier/authmysqlrc, I have MYSQL_QUOTA_FIELD CONCAT(quota, 'S') But connecting to the account via RoundCube or Thunderbird with the Display Quota plugin shows an unlimited/unknown quota. In the quota field, I have entered 1000000, and…
EricP
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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 my system on the following…
AJ.
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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 configured very similarly (using the same HOWTO, just for…
Tauren
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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 later), but we make extensive use of Courier's…
KTamas
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Configuring dynamic e-mail aliases such as "user+keyword"

My Ubuntu server is using Exim4/Courier for emails and I'd like to know if it's possible to create dynamic email aliases for receiving emails like…
Sinklar
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Encrypting all incoming mail with public pgp key per user

What I'm trying to do is be able to take all incoming messages and encrypt them with that users public pgp key. I'm running postfix + courier etc. http://flurdy.com/docs/postfix/ I've read through this…
TheEditor
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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 but only Maildir format. So I've created a user…
Kreker
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Disabling SSLv2 in Courier IMAP

I'm attempting to disable SSLv2 support (amongst other things) in Courier on Linux. In /etc/courier/imapd-ssl I have: TLS_CIPHER_LIST="HIGH:!MEDIUM:!SSLv2:!LOW:!EXP:!aNULL:!ADH:@STRENGTH:!3DES" TLS_PROTOCOL=TLS1 TLS_STARTTLS_PROTOCOL=TLS1 This…
Ian480
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How to use old md5 password hashes on courier/postfix

I've recently installed courier/postfix with virtual users and domains and i want to move mailboxes from an old server. The problem is that the old server used to use md5 password hashes in the database and current server uses mysql's encrypt().…
Marius
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Dovecot, Courier, Postfix Differences

[This question might be against SO guidelines - too vague - too subjective. I have however failed to find an answer] Like this: Dovecot vs Courier vs Cyrus What is the difference between Postfix, Dovecot, Courier? Many tutorials require all three…
GCon
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NO [ALERT] Unexpected response from remote authentication server

is what I see when I run testsaslauthd inside an strace socket(PF_LOCAL, SOCK_STREAM, 0) = 3 connect(3, {sa_family=AF_LOCAL, sun_path="/var/run/saslauthd/mux"}, 110) = 0 writev(3, [{"\0\34a.chaouche@domain.tld\0\fxxx\0\4imap\0\0", 52}], 1) =…
ychaouche
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Fix logjam vulnerability in courier

The site weakdh.org explains how to fix postfix against the weak Diffie-Hellman attack called "logjam". But don't I have to fix courier too? Or do I have to migrate to dovecot to be logjam-safe?
rubo77
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