Hi, I have tighten my firewall a bit and seen many attacks from Microsoft (40.92.0.0/16). They contact once from a IP and then never again. If I greylist them, the will try to deliver from a different address which gets greylisted again and so on.
Could you please tell me how to handle that broken mail delivery? It triggers all, my mailserver attack filter as well as greylisting. Unfortunately I have some contacts on hotmail. Otherwise I would not care about. Regards Klaus -- Klaus Ethgen http://www.ethgen.ch/ pub 4096R/4E20AF1C 2011-05-16 Klaus Ethgen <kl...@ethgen.ch> Fingerprint: 85D4 CA42 952C 949B 1753 62B3 79D0 B06F 4E20 AF1C
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