http://wiki.adamsweet.org/ 2009-07-08T03:28:08+01:00 http://wiki.adamsweet.org/ http://wiki.adamsweet.org/lib/images/favicon.ico text/html 2009-07-06T15:58:53+01:00 adam http://wiki.adamsweet.org/doku.php?id=using_ssl_with_exim_4_on_debian&rev=1246892333&do=diff Using SSL with Exim 4 and Courier IMAP/POP3 on Debian Here I will be setting up SSL keys with Exim 4 and Courier IMAP and POP3 under Debian to secure the sending and retrieval of emails and username and password details to my server. I will be using SSL certificates from CA Cert as they are free. CA Cert are not a commercial 'paid-for' certificate provider and so their keys will not automatically be installed in your web browser or mail client. You will need to install their root keys on ever… text/html 2009-07-05T23:44:57+01:00 adam http://wiki.adamsweet.org/doku.php?id=create_your_own_anti-virus_signatures_with_clamav&rev=1246833897&do=diff Create Your Own Anti-Virus Signatures with ClamAV I use ClamAV on my own mail servers, I've also used it at work alongside several commercial AV engines and every now and again there will be a viral attachment that none of the AV engines catch, especially when a new threat is released. As a Linux user, most virus and malware threats mean little to me, however if you are responsible for Windows users then you need to be on top of the game. text/html 2009-07-05T23:35:21+01:00 adam http://wiki.adamsweet.org/doku.php?id=mail&rev=1246833321&do=diff Stuff About Mail Servers * Exim * Virus Filtering * Greylisting * DNSBLs (DNS Black Lists) * Configuring Mailman for Ubuntu * Using Exim Behind a NATed Connection * Get Sendmail to log the subject line * Create Your Own Anti-Virus Signatures With ClamAV text/html 2009-07-03T16:37:28+01:00 adam http://wiki.adamsweet.org/doku.php?id=server&rev=1246635448&do=diff Stuff About Servers * IPMI on Linux * TFTP on Ubuntu * Apache SSL on Ubuntu * Simple SNMP * Using SSL with Exim 4 on Debian text/html 2009-06-09T22:20:48+01:00 adam http://wiki.adamsweet.org/doku.php?id=greylisting&rev=1244582448&do=diff Greylisting with Exim For greylisting with Exim or Vexim, try the following:: Install greylistd via apt for Debian and derivatives or ATrpms for Fedora/Red Hat and add your exim user to the greylist group, make sure /var/lib/greylistd/whitelist-hosts is group readable, configure greylistd (set your delay time in the main greylistd config file and add your own hosts to /var/lib/greylistd/whitelist-hosts) and insert the following into vexim-acl-check-rcpt.conf on Vexim, or for plain Exim, in th…