>12:12 13:44 SMTP-(00000364) Trying ioof.com (0) >12:12 13:44 SMTP-(00000364) Connect ioof.com [216.75.162.114:25] (1) >RETR 2 >12:12 13:44 SMTP-(00000364) 220 114.ioof1m.1meg.golden.net GroupWise >Internet Agent 5.5.4.1 Ready (C)1993, 1999 Novell, Inc. >12:12 13:44 SMTP-(00000364) >EHLO encode.com >12:12 13:44 SMTP-(00000364) 500 Syntax error >12:12 13:44 SMTP-(00000364) >HELO encode.com
hmm, they don't support ESMTP >12:12 13:44 SMTP-(00000364) 504 DNS verification of sending machine >failed: no mail will be accepted mgw1# telnet 216.75.162.114 25 Trying 216.75.162.114... Connected to 114.ioof1m.1meg.golden.net. Escape character is '^]'. 220 114.ioof1m.1meg.golden.net GroupWise Internet Agent 5.5.4.1 Ready (C)1993, 1999 Novell, Inc. ehlo this is len just screwing around 500 Syntax error helo this is len, you are screwy 504 DNS verification of sending machine failed: no mail will be accepted Connection closed by foreign host. and then: mgw1# telnet 216.75.162.114 25 Trying 216.75.162.114... Connected to 114.ioof1m.1meg.golden.net. Escape character is '^]'. 220 114.ioof1m.1meg.golden.net GroupWise Internet Agent 5.5.4.1 Ready (C)1993, 1999 Novell, Inc. helo mgw1.meiway.com 250 114.ioof1m.1meg.golden.net Ok quit 221 114.ioof1m.1meg.golden.net Closing transmission channel Connection closed by foreign host hard to say for sure, but they want it seems that they want to the HELO hostname A record' ip to have a PTR with the same hostname. (mgw1.meiway.com does) # dig encode.com a ; <<>> DiG 9.2.0 <<>> encode.com a ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30776 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0 ;; QUESTION SECTION: ;encode.com. IN A ;; ANSWER SECTION: encode.com. 86381 IN A 206.130.189.56 FreeBSD# dig -x 206.130.189.56 ; <<>> DiG 9.2.0 <<>> -x 206.130.189.56 ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 58527 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0 ;; QUESTION SECTION: ;56.189.130.206.in-addr.arpa. IN PTR ;; ANSWER SECTION: 56.189.130.206.in-addr.arpa. 86400 IN PTR www.encode.com. well, just go change your PTR to encode.com and keep driving. I'm sure these clowns get tons of false positives with this DNS validation .... Len http://MenAndMice.com/DNS-training http://BIND8NT.MEIway.com : ISC BIND 8.2.4 for NT4 & W2K http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
