[TriLUG] sendmail vs. postfix - was Re: stupid sendmail quest ion?

Frye, Matthew Matthew.Frye at rexhealth.com
Wed Jun 16 17:07:35 EDT 2004


> On the flip side, that 5% of things that Sendmail can do that Postfix 
> can't, can be *really* nice.  Postfix does not have Sendmail's milter 
> interface.  What the Milter interface allows you to do, is reject 
> messages on the fly, as part of the SMTP session, for what 
> ever reason 
> you see fit.  Spam, Viruses, Malformed messages, what ever -- 
> you don't 
> generate NDRs, you just say "No Thanks" and stop talking to 
> the sending 
> host.  Postfix does not have an elegant way to implement 
> this.  You can 
> sit a spam/virus daemon in front of your MTA that's capable 
> of doing it, 
> but that's not an elegant solution.  For most low volume sites this 
> isn't really a problem, but for larger volume sites it can be a real 
> headache as queue sizes grow unmanageable.
> 

Exactly.  Milter is very handy.  









































































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