Why do I see an increased number of false positives since 1.1.2010 when using SpamAssassin on OS X? A specific rule (FH_DATE_PAST_20XX contained in 72_active.cf) that comes with SpamAssassin >= 3.2.0 was meant to recognise as spam, mails which would contain a date in the far future (i.e. >= 2010). While a good idea a […]
A tutorial on how to install RRDtool on Mac OS X 10.6.x Server. By Athanasios Alexandrides Download “Installing RRDtool on Mac OS X 10.6.x Server” (PDF File) Tweet this!
A tutorial on how to install Mailgraph on Mac OS X 10.4.x/10.5.x/10.6.x Server. By Athanasios Alexandrides Download “Installing Mailgraph on OS X Server” (PDF File) Tweet this!
Snow Leopard Server implements several anti-spam measures in its default Postfix configuration. Unfortunately there are a few glitches, which may prevent your own Outlook clients from sending mail. Among the different parameters, there is one which explicitely verifies that the sending mail client does have a fully qualified hostname. The reason being that much spam […]
Snow Leopard Server implements an anti-spam technique called Greylisting. While this is quite effective, it has the side effect of causing delays during mail delivery. If you wish to turn it off, you can disable anti-spam measures in Server Admin. To specifically only stop Greylisting do the following: Edit /etc/postfix/main.cf and change: smtpd_recipient_restrictions = permit_sasl_authenticated […]