Tony Sullivan: > I have been receiving a lot of phishing attempt e-mails lately that have a > "from" address like this: > valid.user@mydomain.comaccounting > <https://www.exquisiteimages.com:2096/cpsess1855114148/3rdparty/squirrelmail/src/compose.php?send_to=valid.user%40mydomain.comaccounting>@someotherdomain.hn > > This appears to be an attempt to fool anyone who isn't paying close > attention into clicking one of the links in the message since it appears > to come from a valid user inside my domain. > > I am wondering if there is anyway that I can stop messages with "from" > addresses like this.
Aren't there spam filters for such things? You could craft your own regular expression tables and use these in check_sender_access and header_checks, but most people should not have to do that. Wietse