Maybe they run into something like this? 220 126.com Anti-spam GT for Coremail System (126com[20140526]) EHLO .... Connection to 126mx02.mxmail.netease.com closed by foreign host.
It takes a long time to get any reply... and then your sever simply closes the connection. And from a different system: 220 126.com Anti-spam GT for Coremail System (126com[20140526]) EHLO .... 250-mail 250-PIPELINING 250-AUTH LOGIN PLAIN 250-AUTH=LOGIN PLAIN 250-coremail 1Uxr2xKj7kG0xkI17xGrU7I0s8FY2U3Uj8Cz28x1UUUUU7Ic2I0Y2UFWs58gUCa0xDrUUUUj 250-STARTTLS 250-SIZE 73400320 250 8BITMIME mail from:<> 250 Mail OK rcpt to:<postmaster> Connection closed by foreign host. Hmm... _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
