text_combined: vvrpgsporcupineorg justin piszcz feb 18 173213 p34 postfixsmtpd15280 caduceus2gmuedu129174041 354 end data feb 18 173213 p34 postfixcleanup15983 15b921c000267 messageid63x0do716602473gmuedu feb 18 173213 p34 postfixcleanup15983 15b921c000267 warning header useragent mozilla50 windows u windows nt 51 enus rv172 gecko20040804 netscape72 ax caduceus2gmuedu129174041 protoesmtp helo rule410 feb 18 173714 p34 postfixsmtpd15280 caduceus2gmuedu129174041 421 442 lucidpixelscom error timeout exceeded suspect broken firewall antivirus software may able capture smtp session tcpdump 0 w filename host xx port 25 described debug_readme show whether client sends whether something screws protocol wietse wed 06 aug 2008 205214 0500 timeout data debug_peer output root cause