-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 In message <201702131743.10508.pe...@hk.ipsec.se>, peter h <pe...@hk.ipsec.se> writes
>The very simplest thing to do is make sure any outbound smtp is relaye through >the ISP's >mailrelays, where spam could be detected and subsequently blocked. this is very unpopular with legitimate businesses who wish to be fully in control of their email sending destiny -- and ISPs generally do not wish to discourage the people who cause no trouble and pay their bills regularly and on time so although "port 25 blocking" is a M3AAWG Best Practice it has not been widely adopted with the main (but not only) exception being the large consumer ISPs in the US (ISPs in Europe have, for historical reasons, had a significant number of business customers mixed in with pure consumers and that has made the difference) - -- richard Richard Clayton Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. Benjamin Franklin 11 Nov 1755 -----BEGIN PGP SIGNATURE----- Version: PGPsdk version 1.7.1 iQA/AwUBWKHoZDu8z1Kouez7EQKegACg5dQkRoa/iAJYEI4QDXu6AkDaL40AnRAO Ok9QS77z8Acf265vH5lDQf9W =eO/I -----END PGP SIGNATURE-----
