This version is technically speaking a beta version,
but is stable enough to so that it can be used in a production environment.

To download the latest 32bit beta update click here
To download the latest 64bit beta update click here

If you want a notification when the next beta is released then click here
 

Changes since the last full release

v3.48c 2012-01-21

• New: Enhanced TLS peer certificate verification (OutboundSMTPTLSVerify=True)
• New: Support for Online Certificate Status Protocol (OCSP)
• Fix: Optimized HTML inbox with a lot of messages
• Fix: SMTP EHLO/HELO is equal to RSET
• Chg: Removed announcement for NTLM AUTH for POP3 and SMTP clients

v3.48b 2011-12-05

• New: Compiled with ASLR (address space randomization) and NX (no execution)
• Chg: Port for smart host is now SmartHostPort=25 an no longer SMTPOutboundPort=25
• Fix: Connection manager shut down when system goes out of resources
• Fix: Faster accepting inbound connections
• Fix: Inbound connection manager stopped when out of resources

• Fix: Received line without the For clause for local messages

v3.48a 2011-07-14

• Fix: Verbose TLS with inbound HTTP and POP3