Hi all,
How can I implement in Qmail-Ldap a feature to block e-mails without envelope (null) or containing a invalid envelope sender (DNS verification)?
Thank you in advice.Janio Carlos
Hi all,
How can I implement in Qmail-Ldap a feature to block e-mails without envelope (null) or containing a invalid envelope sender (DNS verification)?
Thank you in advice.Janio Carlos