Hi, Someone can tell me why EHLO reply send 2 packets?
~# postconf mail_version mail_version = 2.5.5 ## tcpdump ## ^[OM^[OM15:41:23.546763 IP 10.15.10.9.49898 > 10.15.1.65.25: P 1:10(9) ack 34 win 46 <nop,nop,timestamp 927636169 259345475> e.....@.@.M. . ..A....`.[TU.s............ 7J...uLCEHLO myhost.example.com 15:41:23.546924 IP 10.15.1.65.25 > 10.15.10.9.49898: . ack 10 win 91 <nop,nop,timestamp 259346474 927636169> e.....@.?..9 ..A . ....U.s.`.[]...[....... .uP*7J.. 15:41:23.547006 IP 10.15.1.65.25 > 10.15.10.9.49898: P 34:174(140) ack 10 win 91 <nop,nop,timestamp 259346474 927636169> e.....@.?... ..A . ....U.s.`.[]...[.J..... .uP*7J..250-server.example.com 250-PIPELINING 250-SIZE 26214400 250-AUTH PLAIN LOGIN 250-AUTH=PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250 8BITMIME 15:41:23.547019 IP 10.15.10.9.49898 > 10.15.1.65.25: . ack 174 win 54 <nop,nop,timestamp 927636169 259346474> e.....@.@.M. . ..A....`.[]U.t....6....... 7J...uP* ## End of EHLO ## 15:42:55.401023 IP 10.15.10.9.49898 > 10.15.1.65.25: P 10:35(25) ack 174 win 54 <nop,nop,timestamp 927659134 259346474> e.....@.@.M. . ..A....`.[]U.t....6n...... 7J.~.uP*MAIL FROM:<x...@example.com> 15:42:55.401749 IP 10.15.1.65.25 > 10.15.10.9.49898: P 174:188(14) ack 35 win 91 <nop,nop,timestamp 259369443 927659134> e.....@.?..) ..A . ....U.t.`.[v...[....... .u..7J.~250 2.1.0 Ok 15:42:55.401801 IP 10.15.10.9.49898 > 10.15.1.65.25: . ack 188 win 54 <nop,nop,timestamp 927659134 259369443> e.....@.@.M. . ..A....`.[vU.t....6(...... 7J.~.u.. ## End of MAIL FROM ## -- Reinaldo de Carvalho http://korreio.sf.net http://python-cyrus.sf.net "Don't try to adapt the software to the way you work, but rather yourself to the way the software works" (myself)