On 12.02.2010 13:25, Richard Cooper wrote: > Feb 12 00:41:24 mail1 postfix/smtpd[24782]: NOQUEUE: reject: RCPT from > unknown[111.111.111.111]: 550 5.1.1 <recipi...@example.com>: Recipient > address rejected: User unknown in virtual alias table; > from=<sen...@example.net> to=< recipi...@example.com > proto=SMTP > helo=<example.org> > > This is a very intermittent and short lived error. Emails to > recipi...@example.com were working before the error and start working again a > few seconds after it.
http://www.postfix.org/DATABASE_README.html#safe_db -- Eray
