Search found 3 matches

by Hendie
Tue Apr 27, 2004 8:51 pm
Forum: Suggestions
Topic: Add support for Greylisting (SMTP codes 451 & 452)
Replies: 1
Views: 3996

Add support for Greylisting (SMTP codes 451 & 452)

I would REALLY appreciate it if MailEnable will implement support for Greylisting which is becoming more and more prevalent with mailservers. When sending email to these servers an initial 451 or 452 is received, like : MailEnable: Message could not be delivered to some recipients. The following rec...
by Hendie
Wed Jan 21, 2004 5:29 pm
Forum: MailEnable Standard Edition
Topic: SMTP problem: RCPT Command to all recipients failed.
Replies: 4
Views: 5156

The 451 (TEMPFAIL) response is being used by more and more smtp servers in a so-called "greylisting" incentive, that always rejects the first email you send in an attempt to foil spammers. What we need is for MailEnable to treat this as a retry condition, and try again. The second attempt should be ...
by Hendie
Wed Dec 10, 2003 6:29 pm
Forum: MailEnable Professional Edition
Topic: Reverse DNS Blacklisting
Replies: 2
Views: 3855

Another way you could do your "screening" for a month would be to disable blacklisting on ME, but load something like SpamPal between your mail client and ME. SpamPal has blacklist facilities, but will allow you to rather tag the messages for later inspection.