So far I have used Mail as may main private email client, picking up email from a OsX Server installation, where I use the built-in SpamAssassin spamfiltering on the server (I have blogged about how to do this previously - including how to keep on training the filters).

The server has been set up to "mark" all email identified as SPAM in this manner :

i.e. by adding "*** JUNK MAIL ***" in from on the Subject line. And then on the Mail (client) side there is a rule that moves any emails starting with this in the Subject line to a "Junk" mail folder.

This has worked well so far - but with the advent of a iPhone picking up emails from the same email account this does not work so well any more, as the iPhone get's hold of the email before the Mail rule has ben run, and I can therefore see all the JUNK emails.

So off to do some research.

It turns out that OsX server supports a scripting language called "Sieve" which runs server-side, and therefore before any emails hits the mailbox - but it is not activated by default.

So here is a good guide on how to activate it :

As noted elsewhere on AFP548 (and the Apple forums), the latest Tiger updater has fixed the problems many were having with Sieve scripts, particularly using the SquirrelMail plug-in avelsieve. Below is guide to getting this working if you're starting from scratch, something I see a number of people are asking for...


Installing Web-Based Sieve scripting on OS X Server 10.4.3 using avelsieve
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and then this filter (added through the used of OsX Webmail - Squirrelmail) will do the trick :

All your email that has been tagged as junk will now be moved to the "junk" email folder before the iPhone can read it...

All is well.

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