= Сообщение: 767 из 7442 ============================================== IPV6 = От : Alexey Vissarionov 2:5020/545 29 May 14 09:04:06 Кому : Scott Little 29 May 14 09:04:06 Тема : SixXs FGHI : area://IPV6?msgid=2:5020/545+5386c3c9 На : area://IPV6?msgid=3:712/848+5386a2af = Кодировка сообщения определена как: CP866 ================================== ============================================================================== Good ${greeting_time}, Scott!
29 May 2014 12:51:10, you wrote to Markus Reschke:
MR>> my email address could have failed. My guess is that the forward and MR>> reverse mapping differ. But it would be nonsense to check that SL> My mail server will reject RDNS mismatches too - it stops a TONNE SL> of spam. The solution is simply to not try and be cute with SL> "mail.domain.com" if your server isn't actually called "mail". SL> www/ftp/mail can still be CNAMEs as long as the MTA knows what its SL> real name is.
For mail server, the good pactice is to check whether: 1. HELO argument resolves to the client's IP address 2. PTR record for the client's IP address is equal to HELO argument
-- Alexey V. Vissarionov aka Gremlin from Kremlin gremlin.ru!gremlin; +vii-cmiii-ccxxix-lxxix-xlii
... god@universe:~ # cvs up && make world --- /bin/vi * Origin: http://openwall.com/Owl (2:5020/545)
