The LogDB.Sessions table contains a record of all 'sessions' logged by VPOP3. A session is something like a POP3 server session as an email client downloads messages, or an SMTP client session as VPOP3 sends a message out to the Internet, and so on.

• sessid - this is a bigint sequential value which identifies the session uniquely in the database
• datetime - this is the date/time when the session started (in UTC)
• duration - this is the duration of the session (in seconds)
• sesstype - this is a single character code indicating what type of session this is (see below)
• errorcode - this is text containing any error detail about the session (eg invalid password etc)
• name - this is text describing the session. This may contain client IP address, username etc

• C = SMTP client (via relay)
• F = SMTP client (LAN forwarding)
• L = SMTP server (internal)
• M = SMTP client (MX direct)
• O = POP3 server
• P = POP3 client
• S = SMTP server (incoming)