Bernhard Lukas writes:
2.) Can I block certain IPs from delivering mails to accepted domains and how do I do this? Can this be automated?
Use the smtpaccess file.
3.) Can I block certain "From" adresses and/or mails with certain "subjects" as well?
Use the bofh file. You may need upgrading to a more recent version of Courier, for this.
pgpY5nCmsfOQ2.pgp
Description: PGP signature
