MailScanner SMTP question

Martin Hepworth martinh at
Mon Mar 6 09:04:10 GMT 2006


Other people have answered about the way MS works..

But in answer to you final question, no it can't reject at smtp connect

BUT what I do it reject all non-valid email addresses at smtp time, I drop
about 70% of my inbound email that way. How you do this is MTA and local
setup dependant (ie if you run Active Directory you can get many MTA to
query that on the fly, or you have to rely on separate files of valid
addresses etc etc).

Martin Hepworth 
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300

> -----Original Message-----
> From: mailscanner-bounces at [mailto:mailscanner-
> bounces at] On Behalf Of Laurent Dinclaux
> Sent: 06 March 2006 03:19
> To: MailScanner discussion
> Subject: MailScanner SMTP question
> Hello,
> I know I should buy the book and I certainly will, but I would like to
> know where is MailScanner "sitting" in a SMTP transaction.
> I mean, is MailScanner able to reject a mail at SMTP level, before
> downloading it and wasting bandwidth?
> Best regards
> --
> Laurent Dinclaux
> Birdy Communication
> Responsable Développement
> lox at
> Mobile :  +687 849 272
> Tèl/fax : +687 278 888
> --
> MailScanner mailing list
> mailscanner at
> Before posting, read
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