And actually, wouldn't removing the nobody alias only block messages being sent to non-existing accounts or aliases? I'm trying to block messages that claim to be coming from non-existing accounts or aliases in my domain.
Scott Smith Network Administrator 248.489.1999 [EMAIL PROTECTED] Westside & Detroit Reprographics An ARC Company ------------------------------------------------- ----- Original Message ----- From: "Scott Smith" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, June 20, 2005 10:50 AM Subject: Re: [IMail Forum] Block messages that claim to come from my domain I don't have a "nobody" alias. Scott Smith Network Administrator 248.489.1999 [EMAIL PROTECTED] Westside & Detroit Reprographics An ARC Company ------------------------------------------------- ----- Original Message ----- From: "Travis Rabe" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, June 20, 2005 10:42 AM Subject: RE: [IMail Forum] Block messages that claim to come from my domain Delete the nobody alias. Travis > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:IMail_Forum- > [EMAIL PROTECTED] On Behalf Of Scott Smith > Sent: Monday, June 20, 2005 7:32 AM > To: [email protected] > Subject: Re: [IMail Forum] Block messages that claim to come from my domain > > How would I set up a rule to block all but valid email addresses - would I > have to explicitly allow every known email address through, or is there a > way to get Imail to determine that for me on the fly? > > Scott Smith > Network Administrator > 248.489.1999 > [EMAIL PROTECTED] > > Westside & Detroit Reprographics > An ARC Company > ------------------------------------------------- > ----- Original Message ----- > From: "Darin Cox" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Monday, June 20, 2005 10:13 AM > Subject: Re: [IMail Forum] Block messages that claim to come from my domain > > > You could use an imail rule to block all except valid email addresses, or in > 8.2 or through an external spam filtering aid you could use SPF to block all > mail claiming to be from your domain that doesn't originate from a valid > sending server for your domain. Note: you will need to set up appropriate > SPF records in DNS to identify valid sending servers for your domain. > > Darin. > > > ----- Original Message ----- > From: "Scott Smith" <[EMAIL PROTECTED]> > To: "Imail Forum" <[email protected]> > Sent: Monday, June 20, 2005 9:55 AM > Subject: [IMail Forum] Block messages that claim to come from my domain > > > Is there a way to block all messages that are "from" my domain but are not > valid accounts or aliases setup in my domain? We've been getting a lot of > infected zip files lately that are claiming to come from email addresses > that don't exist in our domain. I realize that I can just explicitly block > those that I've identified, but I want to know if there's a way to block > future ones as well without explicitly knowing what they are. > > Thanks, > > Scott Smith > Network Administrator > 248.489.1999 > [EMAIL PROTECTED] > > Westside & Detroit Reprographics > An ARC Company > ------------------------------------------------- > > > > 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/ 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/
