I just saw that looking at a few other older messages. Gotta get upgraded to 8.1x first though, unless someone knows of something that'll work on 8.0x installs. Not sure when I'm gonna get the go ahead on the upgrade.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Tolmachoff (Lists) Sent: Wednesday, January 05, 2005 2:30 PM To: [email protected] Subject: RE: [IMail Forum] Dictionary attack bounce messages Then you need to search the archives and implement Sandy's exchange2aliases setup. John Tolmachoff Engineer/Consultant/Owner eServices For You > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:IMail_Forum- > [EMAIL PROTECTED] On Behalf Of Herschel Jones (Industries - Augusta) > Sent: Wednesday, January 05, 2005 11:20 AM > To: [email protected] > Subject: RE: [IMail Forum] Dictionary attack bounce messages > > Oh yeah, my bad, thought I mentioned that in there. Imail is acting > as a gateway into an Exchange setup. Sorry about that. > > Herschel Jones > Email Administrator - MIS > Boral Bricks, Inc. > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of John > Tolmachoff (Lists) > Sent: Wednesday, January 05, 2005 2:14 PM > To: [email protected] > Subject: RE: [IMail Forum] Dictionary attack bounce messages > > > Some thing is not normal on your configuration. During the SMTP > receive, at the point that the sending SMTP server says RCPT TO: Imail > compares that will the local users and if not found, responds with > unknown recipient and rejects the message. Therefore, the message is > never received. > > There must be a gateway or nobody alias involved somewhere. Please > explain your setup. > > John Tolmachoff > Engineer/Consultant/Owner > eServices For You > > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:IMail_Forum- > > [EMAIL PROTECTED] On Behalf Of Herschel Jones (Industries - > Augusta) > > Sent: Wednesday, January 05, 2005 10:42 AM > > To: [email protected] > > Subject: [IMail Forum] Dictionary attack bounce messages > > > > We are getting an influx of messages from > > <random_string_of_characters>@yahoo.com lately, to invalid userid's > > on > > > our system. The problem is that Imail is generating a bounce > > because of unknown user, but the bounce is going to a user account > > that doesn't exist on the remote server either, so it is causing > > unnecessary network traffic, and unnecessary log file size in Imail. > > Without stopping all postmaster messages going out, is there any way > > to work against this effectively? > > > > Herschel Jones > > Email Administrator - MIS > > Boral Bricks, Inc. > > > > 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/ > > 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/ 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/
