Am 16.05.2011 19:38, schrieb Thomas Berger: > As a client may use his IP for the HELO command (look at the recent RFC's)
the RFC's are nice but in this days everybody who maintains a mailserver has to look that HELO is a vild hostname which resolves in both directions or has not to wonder if his mails are dropped! not all things that are not explicit forbidden are well behavior!
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