Hmm...can the "enable-romaing-users" log the IP address with the domain name together as one line?
So, this will prevent the user coming from same IP with different domain name to be able to send email via the POP-before-SMTP.
No. This is a limitation of POP-before-SMTP. Once an IP has been opened up by a POP3 authentication, it stays open for the duration of your settings.
The "From" address of emails aren't cross referenced in any way.
-- Tom Collins - [EMAIL PROTECTED] QmailAdmin: http://qmailadmin.sf.net/ Vpopmail: http://vpopmail.sf.net/ Info on the Sniffter hand-held Network Tester: http://sniffter.com/