Questions tagged [courier]
An SMTP/POP/IMAP email server
104
questions
7
votes
3
answers
6k
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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 (...
user13185
7
votes
2
answers
7k
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 ...
- 173
5
votes
3
answers
915
views
Where can I find tuning resources for postfix, saslauthd and courier [closed]
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 ...
- 151
4
votes
1
answer
11k
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 ...
- 749
4
votes
0
answers
610
views
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. ...
- 115
4
votes
2
answers
3k
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 ...
- 342
3
votes
1
answer
174
views
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 this:
[email protected]
client+...
- 93
3
votes
2
answers
2k
views
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"
...
- 31
3
votes
1
answer
3k
views
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 ...
- 231
3
votes
1
answer
829
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 ...
- 599
3
votes
1
answer
1k
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 ...
- 233
3
votes
1
answer
1k
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 ...
- 478
3
votes
3
answers
3k
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 ...
2
votes
3
answers
1k
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 ...
- 599
2
votes
2
answers
2k
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 ...
- 233
2
votes
3
answers
26k
views
RoundCube login to local IMAP server failing
I've been following this guide to set up a mail server on my server: http://flurdy.com/docs/postfix/edition5.html
The only difference is that this tutorial uses a MySQL database and I've used ...
- 161
2
votes
1
answer
5k
views
Dovecot, Courier, Postfix Differences [closed]
[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, ...
- 124
2
votes
1
answer
392
views
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....
- 282
2
votes
2
answers
2k
views
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?
- 2,517
2
votes
1
answer
706
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 /usr/...
- 4,646
2
votes
1
answer
97
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 ...
- 241
2
votes
5
answers
824
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]: ...
- 294
2
votes
2
answers
4k
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 ...
- 427
2
votes
3
answers
2k
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 ...
- 2,260
2
votes
0
answers
268
views
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 ...
- 21
2
votes
0
answers
265
views
How can courier-imap and courier-pop accept both username and username@domain?
I have courier-imap and courier-pop installed on a server, and they authenticate with username and password. The user database is LDAP, although, as far as I can see, courier doesn't know that; ...
- 2,626
2
votes
0
answers
253
views
courier-imap disabled IDLE still working
Due to short check interval of email clients and many imapd processes, i removed IDLE from IMAP_CAPABILITY in /etc/courier/imapd config
IMAP_CAPABILITY="IMAP4rev1 UIDPLUS CHILDREN NAMESPACE THREAD=...
- 295
1
vote
2
answers
5k
views
Can't connect with telnet from external ip
I have a postfix server running on a kimsufi VPS, i installed roundcube on it, and everything is ok.
The problem is, when i try to connect from another server, i have a timeout :
telnet whys.fr 25
...
- 113
1
vote
1
answer
120
views
Send all emails from a user's Courier IMAP account
Is there any way of resending all the mails from a user's cur folder with the current emails on the server? The imap service is done by Courier and the smtp by Postfix
Path /var/vmail/DOMAI.com/USER/
- 217
1
vote
1
answer
246
views
postfix quota postmaster daily mail
I've got an server with Postfix/Courier and Quota. Now I receive a daily update from quota.
2 questions:
Where do I disable this daily update as it's always a blank email:
DAILY QUOTA REPORT:
----...
- 169
1
vote
1
answer
3k
views
imapd-ssl: admin: No such file or directory
I am trying to set up my VPS so I can use Thunderbird IMAP to manage my mails. First, I installed postfix and followed this guide to create an SSL certificate. Then I installed sasl2-bin and courier-...
- 123
1
vote
1
answer
742
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 ...
- 389
1
vote
1
answer
229
views
What does Courier do with undeliverable messages?
On Wednesday we had an unrelated email issue with our host, and they made some changes which included removing our domain, foo.com, from /etc/local_domains.
This had some far-reaching (and difficult ...
- 288
1
vote
1
answer
511
views
Why does MySQL reject my postfix virtual domain query as "an error in your SQL syntax"?
I have problem with MySQL Courier + Postfix Email Server
Here is error log:
warning: mysql:/etc/postfix/mysql-virtual_domains.cf: query failed: You have an error in your SQL syntax; check the manual ...
- 123
1
vote
1
answer
2k
views
Dovecot: move all e-mail from a sub-mailbox to main INBOX
Introduction: I am in the last stage of migrating a very big mail account from a remote courier mail server to a new dovecot server. For this I used dsync to move the INBOX from the old server. ...
- 233
1
vote
1
answer
459
views
Configuring courier-authlib on an RHEL6
I'm trying to connect Courier to MySQL on a RHEL6. I've installed the Courier using RPMs and not the repositories (which I think is the root of my problems). Anyway, here are the packages I've ...
- 519
1
vote
1
answer
553
views
Courier authentication slow
I have setup courier with imapd-ssl on ubuntu. Everything works fine: ssl certificates validate (on ubuntu/thunderbird and mac/mail) and login works, too.
The only problem is that it ALWAYS takes ...
- 123
1
vote
2
answers
2k
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 ...
- 2,001
1
vote
2
answers
300
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: ...
- 127
1
vote
1
answer
11k
views
SMTP error '554 5.7.1 Relay access denied' with using postfix
I have been trying to setup a mail server on my ubuntu vServer for the last couple of days. I use postfix with mySQL and Courier. For webmail, I use roundcube.
I can receive emails to my address, but ...
- 111
1
vote
1
answer
547
views
Speed up queue processing in courier
I'm using the Courier mail server 0.68.2 on Debian Linux. I recently had a typo in my .mailfilter file, which caused the incoming messages to stay in the queue and not getting delivered into my ...
- 401
1
vote
1
answer
261
views
Postfix with virtual users won't send mail to domainname on server
A debian mailserver with postfix and courier is able to receive and send mail for domains listed in virtual_mailbox_domains without a problem. But if there is a mailadress used that is used during the ...
- 11
1
vote
1
answer
72
views
Courier generic subaddressing
I have a Courier MTA that picks up the mail for all the virtual users. Now I would like to implement sub addressing. Unfortunately, the documentation didn't help me that much, because at the points ...
- 158
1
vote
1
answer
9k
views
generic failure for SASL LOGIN
few years ago I've set up my server using this guide: http://flurdy.com/docs/postfix/ at that time machine was running ubuntu 8.04 LTS, recently I've updated machine to 12.04 LTS but can't force SASL ...
1
vote
1
answer
1k
views
Default permissions for courier imap folders
I'm using courier imap. When a mail client creates a new folder, it's created on the filesystem with 640 permission. I need it to be writable by the group, or 660. I currently have /etc/courier/...
- 115
1
vote
1
answer
1k
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 ...
- 121
1
vote
1
answer
925
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: clearpasswd=...
- 31
1
vote
1
answer
2k
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 ...
- 457
1
vote
6
answers
3k
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.
...
- 599
1
vote
0
answers
173
views
Installation of Courier 1.0.6-1build2 fails on Ubuntu 20.04
The installation of Courier 1.0.6-1build2 on Ubuntu 20.04 fails, although the courier-package is the one provided by the OS. The problem occurs in a post-installation script which leaves the package ...
- 13