I did not know about a-b-c-d but the a.b.c.d is doing well for me. Yesterday Primary MX: 795 ACL helo_hostnames Secondary MX: 442 ACL helo_hostnames
-----Original Message----- From: Len Conrad [mailto:[EMAIL PROTECTED] Sent: Monday, September 08, 2003 12:09 PM To: [EMAIL PROTECTED] Subject: [IMGate] anybody else seeing this? 2321 DNS no A/MX for @sender.domain 2799 ACL SAV: unverifiable sender address 3792 ACL mta_clients_dict 4060 ACL mta_clients_subscriber network 4206 ACL SAV: undeliverable sender address 4652 ACL unqualified helo hostname 9333 ACL RAV: undeliverable recipient address 10250 SMTP Exceeded Hard Error Limit after DATA 10960 ACL mta_clients_bw 12034 SMTP Exceeded Hard Error Limit after RCPT 14190 ACL helo hostname contains an IP <<<<<<<<<<<<<<< 86610 TOTAL That's a huge number of rejects for 12 hours today, rejecting helo = containing A.B.C.D or A-B-C-D The latter form picks up subscriber IPs that put the PTR hostname in the = HELO field. This is also very accurate filter with no false positives, that I now=20 include in the basic IMGate config. Len
