On 9/20/2010 4:29 PM, bper wrote: > > Hello, > > I have set up a postfix-dovecot server with smtp-auth using sasl by > following this link: > https://help.ubuntu.com/10.04/serverguide/C/postfix.html > > It seems to be working OK. The only thing is that when I view my logs, I see > a lot of 'relaying denied', 'noqueue reject', 'too many errors after rcpt', > and 'disconnect' messages from a lot of unknown domain names and ip > addresses. > > I'm hoping that this means that the server is secure and doing its job > bouncing mail from unauthorized requests. > > *** Is that true? > > Even if it was true, it has to be slowing down the server receiving so many > unauthorized requests. > > *** Is there a way to avoid this or is this just a function of life in the > world of email spam? Would a spam filter like Spamassasin help this type of > issue? > > Thanks!
Please provide logs of said entries (pasted into this mailing list reply) and also output of postconf -n That's the best way for us to tell if you have any other remaining issues. However, seeing rejections for relay denied and noqueue reject that are stopping possible spammers.. definitely a good thing. -Matt
