--On June 8, 2017 at 12:07:43 PM -0400 Robert Kudyba <rkud...@fordham.edu> wrote:

I would like
to block *@*.us but allow the cities and schools that use them so allow
examples like @ci.boston.ma.us and corunna.k12.mi.us. I don’t think
this can be done with the access.db file in sendmail.


Sendmail access.db? It's easy:

From:us                       REJECT
From:ci.boston.ma.us           OK
From:corunna.k12.mi.us  OK

Or name the states:

From:us         REJECT
From:ma.us      OK
From:mi.us      OK

Joseph Brennan
Columbia University



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