Release Notes: This is primarily a bugfix release. As a new feature, validation for sender and recipient addresses was added, according to RFC 2822.
Release Notes: A new session field was added, which enables plugins to define their own SMTP response messages. The maximum log message length was increased. Several bugs in plugin handling were fixed. A bug with multiple freeing of filepointers was fixed. A bug in which defined SMTP response messages were not displayed was fixed. Some issues with return code handling were fixed.