I have Mailing Lists based on SQL-generated members lists. This works great.
I want to accept ONLY messages from a group of email addresses - but that group is different from the list of mailing list members. Other messages would receive a bounceback and would be rejected.
Is it possible to include a second SQL-generated list of email addresses designating which from addresses are accepted for delivery? That is - any emails from an email address NOT in the second list would be rejected?
For example - if I can create a RULE where 'Sender Address matches SQL "SELECT email from Allowed" then "Send Message" otherwise "Reject"
If I go into "Rules" I can designate a "Where sender matches some words" condition which "contains a semicolon-separated list" - can I use a SQL expression for that list?
Looking around, I see that rules can be saved in \IceWarp\Mail\Active\domainname\maillistname.dat but that list will be changing from time to time so it would not be practical to keep that list up to date...
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