[Mimedefang] Re: bounce check with sendmail and md_check_against

[Scott Silva]

Wayne spake the following on 11/30/2006 10:04 AM:
> Hello All,
> 
> I know everyone has probably figured this out but me. I am using
> md_check_against_smtp_server on my mimedefang server to check usernames
> before sending the mail to my server. I seem to have a lot of bounce
> messages that get sent from my server with invalid from addresses. I
> know there are some that are being rejected because of full mail boxes
> and I can understand those but I have messages that are being rejected
> by unknown user and then the bounce fails. These end up in my postmaster
> account. I have also notice that at times AOL or some other provider
> will black hole me for this. I don't know why these messages don't get
> rejected by md_check_against_smtp_server. How do I keep my server to
> discard these messages without trying to send them?
> 
> Thanks in Advance
> Wayne
> 
What exactly are you bouncing?
Do you do content scanning at the MX or only on the main server?
If you are bouncing things like spam or viruses, you will get blacklisted often.

-- 

MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!