dovecot

Dovecot pop3_logout_format

pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s
POP3 logout format string: 
 
#  %i - total number of bytes read from client
#  %o - total number of bytes sent to client
#  %t - number of TOP commands
#  %p - number of bytes sent to client as a result of TOP command
#  %r - number of RETR commands
#  %b - number of bytes sent to client as a result of RETR command
#  %d - number of deleted messages
#  %m - number of messages (before deletion)
#  %s - mailbox size in bytes (before deletion)