Edgar Fuß wrote in
<zmy5upx01d76j...@trav.math.uni-bonn.de>:
|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 <zmy5upx01d76j...@trav.math.uni-bonn.de>
--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)
