SMTPAUTH(5)

NAME
smtpauth - greylist file for postoffice

SYNOPSIS
/var/db/smtpauth.db

DESCRIPTION
This file records client access to the postoffice SMTP server. It contains records that have the
username
    given in the SMTP ‘MAIL FROM:’ command, the
IP address
    That the client is connecting from, the
date
    when this client & username can send mail to the postoffice server, and the
date
    when this client & username last connected to the server.

This file is a dbm(3) database and is not human readable; the authexpire(8) program is used to maintain it and remove old records.

The record format used in this database is:
USER@[IP]
    The key
DATE DATE
    When the client can connect and when the client last connected (both in seconds after the epoch).

SEE ALSO
dbm(3), authexpire(8), postoffice(8)