RE: [IMail Forum] Our server is relaying for spammers and I don't know why! Any help greatly appreciated!

[Katie LaSalle-Lowery]

I've gone all the way back to "no relay" because I couldn't match all of the IP's with customers and reasons why they couldn't authenticate.  We'll have higher call volume when people get 550's for the next few days but we'll survive that better than being blacklisted and the high traffic on the server.   Katie LaSalle-Lowery Centric Internet Services 1410 Reserve St. Missoula, MT 59801 Local Phone 549-3337 ext. 21 Toll Free (888)593-2776 ext. 21 Fax (406)721-3438     From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Troy Hilton Sent: Thursday, December 09, 2004 2:59 PM To: [EMAIL PROTECTED] Subject: RE: [IMail Forum] Our server is relaying for spammers and I don't know why! Any help greatly appreciated! That's correct. Any IP address you have configured for "relay" will not need to authenticate to send an email. By configuring the IP you're stating that you totally trust that IP and all traffic from it.IMO, The number if IP addresses should be kept to a minimum. All other users must supply a userid & password in order to send email.   Troy From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Katie LaSalle-Lowery Sent: Thursday, December 09, 2004 4:58 PM To: [EMAIL PROTECTED] Subject: RE: [IMail Forum] Our server is relaying for spammers and I don't know why! Any help greatly appreciated! I was of the (apparently mistaken) understanding that the sending address had to be [EMAIL PROTECTED] hosted on our server AND be on a trusted IP;  OR be [EMAIL PROTECTED] hosted on our server and use SMTP Authentication.    If relay for addresses allows anything from that IP to pass I need to untrust all but a very few IP's, I guess.   Katie LaSalle-Lowery Centric Internet Services 1410 Reserve St. Missoula, MT 59801 Local Phone 549-3337 ext. 21 Toll Free (888)593-2776 ext. 21 Fax (406)721-3438     From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Tolmachoff (Lists) Sent: Thursday, December 09, 2004 2:34 PM To: [EMAIL PROTECTED] Subject: RE: [IMail Forum] Our server is relaying for spammers and I don't know why! Any help greatly appreciated! Um, what do you think “Relay for addresses” means? It means relay all for that address. This is where Declude Hijack would have helped big time.   John Tolmachoff Engineer/Consultant/Owner eServices For You   -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Katie LaSalle-Lowery Sent: Thursday, December 09, 2004 1:23 PM To: [EMAIL PROTECTED] Subject: RE: [IMail Forum] Our server is relaying for spammers and I don't know why! Any help greatly appreciated!   I found the issue... The mail was originated on a trusted IP (one in the relay address list).  We have a customer with a trojan or something.  I've un-trusted that address.   However, I'm still confused.  I thougt a valid address was still required.   Katie LaSalle-Lowery Centric Internet Services 1410 Reserve St. Missoula, MT 59801 Local Phone 549-3337 ext. 21 Toll Free (888)593-2776 ext. 21 Fax (406)721-3438       From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Katie LaSalle-Lowery Sent: Thursday, December 09, 2004 2:05 PM To: [EMAIL PROTECTED] Subject: [IMail Forum] Our server is relaying for spammers and I don't know why! Any help greatly appreciated! Our Imail server is set to "relay for addresses."  I discovered today it is relaying.  Don't know how long that has been the case.  The messages are stacking up by the hundreds in the queue and I'm at a loss...   Any suggestions would be greatly appreciated!   Thanks! Katie LaSalle-Lowery Centric Internet Services 1410 Reserve St. Missoula, MT 59801 Local Phone 549-3337 ext. 21 Toll Free (888)593-2776 ext. 21 Fax (406)721-3438