Management and plesk qmail solutions

We leave here a number of solutions for managing qmail, to problems of spam: whether sent from scrips as some type of email account hacked.

http://kb.parallels.com/en/944

https://kb.mediatemple.net/questions/259/How+can+I+raise+Courier-IMAP+connections+for+my+server%3F#dv

http://kb.parallels.com/en/766

http://kb.parallels.com/article_22_1711_es.html