On 20 Nov 2017, at 16:41 (-0500), Kris Deugau wrote:

USER_IN_WHITELIST_TO applies to all mail for a given recipient; IMO it's a crude hack to work around cases where whatever is calling SA can't use the SA userprefs system to just change the threshold instead.

It is very useful for protecting role aliases (e.g. abuse, postmaster) that are mapped to targets (e.g. root or an off-system address) that should not generally be left unprotected.

It also is useful to allow end users to create ad hoc tagged addresses on the fly that get more lenient treatment without needing to create any per-address config on the server. If the tag (or in some cases, the whole local-part for a 1-user virtual domain) matches a specific pattern, it is given a pass round the insane local blacklist and a SpamAssassin bonus. Users can kill a particular tagged address by moving mail to that address into a special IMAP mailbox. This is far simpler than training users to manage a user_prefs file or database record.


--
Bill Cole
[email protected] or [email protected]
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Currently Seeking Steady Work: https://linkedin.com/in/billcole
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