Hi! Im using postfix+postfixadmin+mysql+courier-imap i just implemented pop-before-smtp[1], my problem is after recieving the mails i connect to the server using telnet and try to send spam using the mail server it did send it didn't ask for authentication anymore. i'm not sure how this pop-before-smtp really works but i was thinking how should i secure the server in this kind of attacks. [1]http://www.stahl.bau.tu- bs.de/~hildeb/postfix/postfix_pop-before-smtp_en.shtml<http://bs.de/~hildeb/postfix/postfix_pop-before-smtp_en.shtml> -- Regards, Mark Quitoriano, CCNA http://www.atamanetworks.com Fan the flame... http://www.spreadfirefox.com/?q=user/register&r=19441 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20050829/7fa5e079/attachment-0003.html>