On Tue, Jun 16, 2015 at 06:43:47AM -0700, Jithesh AP wrote: > I have an attack on my mail system and the mail i got from mailer deamon is > (got 1000s of such mails)
You've set "notify_classes" to send you too much email. > ---------------------------------- > Transcript of session follows. > > Out: 220 ml.w8timez.com ESMTP Postfix > In: HELO 54.183.212.207 > Out: 250 ml.w8timez.com > In: MAIL FROM: <fmrjk...@yahoo.com.tw> > Out: 250 2.1.0 Ok > In: RCPT TO: <yuej...@yahoo.com.tw> > Out: 451 4.3.0 <yuej...@yahoo.com.tw>: Temporary lookup failure > Out: 421 4.7.0 ml.w8timez.com Error: too many errors > > Session aborted, reason: too many errors Not much of an attack, just an open-relay test. Just ignore it, and ideally arrange to not be notified about it. > Any specific suggestions to close such attack? # No postmaster notices, just read the logs. # notify_classes = -- Viktor.