Bubba Smith wrote: > ... > Last week, a person was able to relay 300,000 emails through our Imail > server. Our current relay is setup for USERS only. The person was able to > relay mail through our system by changing his computer name to a domain name > in IMail, and creating an email account on his computer the same as an email > account in one of our Imail domains. Since IMail was setup for RELAY FOR > USERS ONLY, everything worked correctly.
A prime example of why 'Relay for local users only' is a bad choice. > Even if we had setup IMail relay > for HOSTS ONLY, the same thing would have occurred. We tried the NO RELAY > option, but unfortunately, since the accept.txt file does not work for NO > RELAY, none of our emails from WhatsUP Gold could be sent, and some of our > third party applications like FrontPage etc... cannot use SMTP > Authentication. > > It would be nice if the ACCEPT.TXT file would worked for NO RELAY but it > doesn't. Accept.txt only works for HOSTS and USERS only. If accept.txt > did work for NO RELAY, we could put the IP addresses of our internal systems > in this file, and all users would then be required to use SMTP > Authentication. Problem Solved. So use 'Relay mail for Addresses' and enter the subnet or individual addresses your internal systems are on. -- [EMAIL PROTECTED] "The avalanche has already started, it is too Rod Dorman late for the pebbles to vote." � Ambassador Kosh Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/
