Tag Archives: Postfix

ISPConfig, Dovecot, Postfix and LetsEncrypt SSL

Please See: https://www.howtoforge.com/community/threads/lets-encrypt-working-with-ispconfig-interface-postfix-dovecot-tls-pure-ftpd-monit.75546/ ARCHIVEDI successfully configured Dovecot and Postfix to use my LetsEncrypt SSL certificate for my mail domain. Generate SSL Certificate When I installed ISPConfig 3.1b, I followed instructions on setting up LetsEncrypt which placed it in /opt/letsencrypt; If you have LetsEncrypt installed elsewhere, substitute the path below with the correct Continue reading →

DNS Caching for Spamassassin RBLs

So I'm tweaking the mail filter server which is a Debian Linux server running Postfix, MailScanner and SpamAssassin. I just wanted to share some of the performance improvements after installing pdns-recursor for local caching. Install PowerDNS root@mxfilter:~# apt-get install pdns-recursor Obtain a sample spam email root@mxfilter:~# wget http://people.apache.org/~wtogami/sample-spam.eml First Test root@mxfilter:~# cat sample-spam.eml | spamassassin -D 2>&1 | grep 'async: Continue reading →

Check for configuration errors with FAM/Gamin Library

Popup in Outlook and webmail:
Your IMAP server wants to alert you to the following: filesystem notification initialization error -- contact your mail administrator (check for configuration errors with the FAM/Gamin library)
I have a Courier IMAP+SASL+Maildrop+Postfix+MySQL setup.
I don't know what the root problem is; I just know things have been working until recently updating the system (which inevitably broke something).
root@node1:# apt-cache search fam gamin
gamin - File and directory monitoring Continue reading →

Postfix, MailScanner, SpamAssassin, ClamAV and Baruwa — Oh My!

I spent a better part of Thursday doing a fresh install of Debian GNU/Linux along with MailScanner, SpamAssassin, ClamAV and Baruwa web interface for MailScanner.  I also have MailWatch 1.0.5 setup and installed side-by-side with Baruwa.
Below is the web interface to MailScanner (http://www.baruwa.org/) which allows for adding Users and Domains.

Postfix version 2.7.1-1+squeeze1
MailScanner version 4.83.5
Baruwa version 1.1.0
ClamAV 0.97.1/13296/Thu Jul  7 22:28:42 2011
SpamAssassin version 3.3.1
I Continue reading →