Re: submission port usage (was: /etc/services losses)

[Steffen Nurpmeso <steffen%sdaoden.eu@localhost>]

Edgar Fuß wrote in
 <ZMy5UPX01d76J896%trav.math.uni-bonn.de@localhost>:
 |I think the de-facto rationale for a larger network goes like this:
 |-- You don't want to get your IPs blacklisted because infected clients 
 |   send spam from within your network.
 |-- Other sites will allow mail submission on their submission port only 
 |   after authentication (SASL).
 |So you block outgoing smtp, but allow outgoing submission.

Seems to me, likely that was the spark as such even.  No
auth+login on :25, TLS requirement on submission(s).  Different
kind of content checks / milters / filters etc etc.  (Though it
seems "we" ("white") waste the planet for useless CI runs, mail
checks, and flights to the Caribbean).

 --End of <ZMy5UPX01d76J896%trav.math.uni-bonn.de@localhost>

--steffen
|
|Der Kragenbaer,                The moon bear,
|der holt sich munter           he cheerfully and one by one
|einen nach dem anderen runter  wa.ks himself off
|(By Robert Gernhardt)