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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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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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=ORDEREDSUBJECT THREAD=REFERENCES SORT QUOTA" …
andrew
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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 example a mailbox folder containing Greek characters…
lefterav
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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 PostgreSQL. But I can't login to RoundCube. This is a…
morgoth84
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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 is my error message in /var/log/mail.log: May 1…
alex
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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 subscribed IMAP folders to the new server. The old…
DeaconDesperado
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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/share/ca-certificates/ and ran ~sudo dpkg-reconfigure…
Nick
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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 - I dont really know how to go about testing it…
Brad Morris
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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 normal, I have plenty of free memory, no swapping.…
KTamas
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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]: disconnect from…
etheros
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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 anything with Google about this. Anyone ever…
Paul Kroon
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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 when I try to send an email using SMTP, I get the…
staddle
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SpamAssassin scores are oddly low + different from manual analysis, causing nearly all spam to go through

I'm having issues with SpamAssassin; it's assigning emails scores that are way lower than it should. In addition, the scores it's assigning as emails come in are different from the results of running spamassassin -t on that same email after the…
W Biggs
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Courier IMAPd: "NO Error in IMAP command received by server"

So I'm setting up a mailserver here - Courier & Postfix on Debian 7.8, authenticating against MySQL. Got it mostly set up - I can send mail, and the address is also receiving mail properly, with postfix putting it in the correct Maildir, everything…
Draesk
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rsyslog Email On SSH/SFTP Login Fails

I have tried the following on my Nginx server, but do not get any emails upon SSH (or SFTP) login. I put this code in /etc/rsyslog.d/notify.conf and have ensured this file is being called by /etc/rsyslog.conf. $ModLoad ommail $ActionMailSMTPServer…
Pamela
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