El vie, 27-09-2019 a las 09:33 -0400, Bill Cole escribió: > On 27 Sep 2019, at 7:06, Hugo Florentino wrote: > > > [...] > > The most important element in doing this is to separate mail > submission > from inbound SMTP mail. In 2019 there is no reasonable excuse for > supporting submission via a port 25 SMTP server that also accepts > mail > from the Internet in general for local delivery. If you require your > users to use a port 587 or 465 submission service instead, you don't > need to make allowances for local submission on the main port 25 > service.
This is one thing I was hopping to avoid, because I intended to enable authenticated access to port 25 through STARTTLS so that clients who use portable devices can check mail wherever they are withough having to change ports constantly. > > > Since there is no check_data_access method, I tried to do something > > this: > > > [...] > > > > Why isn't this working? > > Because, as documented, header_checks (and the other built-in > content > filtering in Postfix) does not support restrictions or restriction > classes as results of a pattern match. > I see .. how unfortunate. Anyway, thank you for your time and patience to explain. Best regards, Hugo
