Postfix is an attempt to provide an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and hopefully secure, while at the same time being sendmail compatible enough to not upset your users.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Le serveur SMTP n'a pas demandé un certificat client avec "smtpd_tls_req_ccert = yes". Réduit les performances de TCP est évitée lors de réutiliser une connexion SMTP avec un plus grand que 4096-octet TCP valeur MSS.
Tags:
2.5.x (Stable), Minor bugfixes
The SMTP server did not ask for a client
certificate with "smtpd_tls_req_ccert = yes".
Reduced TCP performance is avoided when reusing an
SMTP connection with a larger than 4096-byte TCP
MSS value.