Courier: Difference between revisions
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To install Courier IMAP: |
To install Courier IMAP: |
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* Install the required packages: |
* Install the required packages: |
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<source lang="bash">sudo apt-get install courier-imap courier-doc courier-imap-ssl</source> |
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* Create '''/etc/courier/userdb.dat''' |
* Create '''/etc/courier/userdb.dat''' |
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<source lang="bash"> |
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sudo su |
sudo su |
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pw2userdb >/etc/courier/userdb |
pw2userdb >/etc/courier/userdb |
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chmod 600 /etc/courier/userdb |
chmod 600 /etc/courier/userdb |
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makeuserdb |
makeuserdb |
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</source> |
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* Make sure all users have directory {{file|~/Maildir}}: |
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<source lang="bash"> |
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maildirmake /etc/skel/Maildir # Create Maildir directory for all new users |
maildirmake /etc/skel/Maildir # Create Maildir directory for all new users |
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</source> |
</source> |
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:repeat for all existing user (eg. ''root''): |
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<source lang="bash"> |
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maildirmake /root/Maildir |
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</source> |
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To use the password from '''<tt>/etc/courier/userdb</tt>''' (and not from '''PAM''') (as root): |
To use the password from '''<tt>/etc/courier/userdb</tt>''' (and not from '''PAM''') (as root): |
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* Edit the file <tt>/etc/courier/authdaemonrc</tt>, and change it as follows: |
* Edit the file <tt>/etc/courier/authdaemonrc</tt>, and change it as follows: |
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<source lang="text">authmodulelist="authuserdb"</source> |
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* Restart the daemon: |
* Restart the daemon: |
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<source lang="bash">/etc/init.d/courier-authdaemon restart</source> |
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* Change the password for user ''' |
* Change the password for user '''$USER''' and commit the changes |
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<source lang="bash"> |
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userdbpw -md5 | userdb |
/usr/sbin/userdbpw -md5 | sudo userdb $USER set systempw |
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makeuserdb |
sudo makeuserdb |
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</source> |
</source> |
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* Test the new password with |
* Test the new password with |
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<source lang="bash"> |
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nc imapserver 143 |
nc imapserver 143 |
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01 LOGIN username password |
01 LOGIN username password |
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02 LOGOUT |
02 LOGOUT |
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</source> |
</source> |
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;Add a new user |
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* Let's create a new Linux user: |
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<source lang="bash"> |
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sudo adduser foo |
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</source> |
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* Now, we add it to userdb and set the password: |
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<source lang="bash"> |
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sudo su - |
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pw2userdb | grep -w foo >> /etc/courier/userdb |
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/usr/sbin/userdbpw -md5 | userdb foo set systempw |
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makeuserdb |
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</source> |
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=== Debian === |
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Install (no ssl package): |
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<source lang=bash> |
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sudo apt-get install courier-imap courier-doc |
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</source> |
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To fix FAM/Gamin issues: |
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<source lang="bash"> |
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sudo apt install gamin |
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</source> |
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== Troubleshooting == |
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=== Fix FAM/Gamin library issue === |
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On Debian, we get the following error message when connecting to the server. |
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Filesystem notification initialization error — contact your mail administrator (check for configuration errors with the FAM/Gamin library) |
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The error seems due to the FAM library not working correctly on Debian [https://www.faqforge.com/linux/fix-for-courier-imap-error-check-for-configuration-errors-with-the-famgamin-library/], [https://www.ghanei.net/courier-mail-fam-gamin/]. It can be replaced by Gamin: |
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<source lang="bash"> |
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sudo apt install gamin |
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</source> |
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=== OpenSUSE === |
=== OpenSUSE === |
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* Uninstall the default IMAP server (''UW IMAP'') packages, or they'll create a conflict |
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Binary package for '''Courier IMAP''' is available on '''openSUSE''' (package '''courier-authlib''' and '''courier-imap'''). However it conflicts with the default IMAP server, ('''UW IMAP'''), which must first be uninstalled. |
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* Install ''Courier IMAP'' package (packages <tt>courier-authlib</tt> and <tt>courier-imap</tt>). |
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=== Cygwin === |
=== Cygwin === |
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Latest revision as of 06:53, 15 March 2019
Courier IMAP is a fast, scalable, enterprise IMAP server that uses Maildirs.
References
- Courier IMAP homepage
- On openSUSE:
- Package doc at /usr/share/doc/packages/courier-authlib and /usr/share/doc/packages/courier-imap.
- On Ubuntu:
- Manpages & package documentation:
- maildirmake(1)
- couriertcpd(1)
- imapd(8)
- userdb(8)
- makeuserdb(8)
- /usr/share/doc/courier-doc (on Ubuntu, with package courier-doc installed)
Install
Ubuntu
To install Courier IMAP:
- Install the required packages:
sudo apt-get install courier-imap courier-doc courier-imap-ssl
- Create /etc/courier/userdb.dat
sudo su
pw2userdb >/etc/courier/userdb
chmod 600 /etc/courier/userdb
makeuserdb
- Make sure all users have directory ~/Maildir:
maildirmake /etc/skel/Maildir # Create Maildir directory for all new users
- repeat for all existing user (eg. root):
maildirmake /root/Maildir
To use the password from /etc/courier/userdb (and not from PAM) (as root):
- Edit the file /etc/courier/authdaemonrc, and change it as follows:
authmodulelist="authuserdb"
- Restart the daemon:
/etc/init.d/courier-authdaemon restart
- Change the password for user $USER and commit the changes
/usr/sbin/userdbpw -md5 | sudo userdb $USER set systempw
sudo makeuserdb
- Test the new password with
nc imapserver 143
01 LOGIN username password
02 LOGOUT
- Add a new user
- Let's create a new Linux user:
sudo adduser foo
- Now, we add it to userdb and set the password:
sudo su -
pw2userdb | grep -w foo >> /etc/courier/userdb
/usr/sbin/userdbpw -md5 | userdb foo set systempw
makeuserdb
Debian
Install (no ssl package):
sudo apt-get install courier-imap courier-doc
To fix FAM/Gamin issues:
sudo apt install gamin
Troubleshooting
Fix FAM/Gamin library issue
On Debian, we get the following error message when connecting to the server.
Filesystem notification initialization error — contact your mail administrator (check for configuration errors with the FAM/Gamin library)
The error seems due to the FAM library not working correctly on Debian [1], [2]. It can be replaced by Gamin:
sudo apt install gamin
OpenSUSE
- Uninstall the default IMAP server (UW IMAP) packages, or they'll create a conflict
- Install Courier IMAP package (packages courier-authlib and courier-imap).
Cygwin
See the page dedicated to Courier Cygwin.