On 11 Nov 2020, at 9:45, Charlie Clark wrote:

Hiya,

much as I like MailMate, I find its support for spam detection sub-par. I understand that there is a preference for SpamSieve but many mail servers already have spam filters like Spam Assassin, so why not make more us of them? Even Apple Mail does a good job with them. As a result, I'm currently running Apple Mail on accounts where I'm seeing a lot of spam and let it the filtering. I checked the rules that are used and they don't look bad:

* sender in contacts

I don't believe that is possible.

* sender in exisiting recipients

<From><is in><Sent Messages><Recipient>"

* to contains full name

I haven't tried it, but I would expect this to work:

<To><contains><Charlie Clark >

* trust spam headers

<X-Spam-Status><contains><Yes,>

Has anyone figured out conditions for rules like this?

See above.


I've got headers like this:

X-Spam-Status: No, score=4.8 required=5.0 tests=HTML_FONT_LOW_CONTRAST,
        HTML_MESSAGE,NORDNS_LOW_CONTRAST,RDNS_NONE,SUBJ_ALL_CAPS,
        URIBL_ABUSE_SURBL,URIBL_BLOCKED autolearn=no autolearn_force=no
        version=3.4.2

<Putting on "Apache SpamAssassin Project Committer" hat>

Job 0: get your mail provider to fix that URIBL_BLOCKED problem. It indicates that they are trying to use a free-for-most DNS-based URI blocking list (uribl.com) in a way that makes them seem like a large commercial email provider, for whom usage is NOT free. It may be as simple as a DNS config change on the machine running SA, if they are currently using a shared forwarder and don't actually have large volume.

MM SHOULD parse that X-Spam-Status and put it in the "Spam Score" pseudo-header for display and in X-Spam-Status->Score for conditions. Unfortunately, it does not recognize the value as a number for conditions, so you don't get 'greater than' and 'less than' operators.

Where I'd like to be able to set the threshold a bit lower but I can't think of an easy way of doing this at the moment with the score not being available as a separate header.

What are you all doing?

Filtering on the server side and seeing so little spam that it's not worth dealing with in MM. (Yes, I know that's not a broadly useful strategy.)

--
Bill Cole
[email protected] or [email protected]
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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