So what does that translate to for Imail? Max two sessions? 1 bad recipient, then blacklist it? That seems awfully low.
TR > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:Imail_Forum- > [EMAIL PROTECTED] On Behalf Of Len Conrad > Sent: Friday, November 23, 2007 4:02 PM > To: [email protected] > Subject: RE: [IMail Forum] Suddenly Imail Refusing Mail from Gateway > Server > > > >I did find this in the logs: > > > >11:23 15:36 SMTPD(63ed01a500000125) [65.74.132.77] Max Invalid RCPTs > Exceeded > > > >This has never been an issue before - should I just up the limit in > >the SMTP services settings from 20 to something higher until it > >plays nice? What the recommended settings for dictionary > >attack? Is there a way to disable it? > > IMGate's default setting is to disco if postfix give 2 5xx rejects in > one SMTP session, has been for years. > > I consider any session with 20 5xx rejects to be unquestionably invalid. > > Last time I looked, 98%+ of mail is single recipient per SMTP session. > > Len > > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
