Postfix vs. Sendmail

[Brian Kelsay]

Is a "milter" like a mail filter or something?

----- Original Message ----- 

> I'm contemplating switching over to Postfix from Sendmail.
> From what I have read it's easier to use a spam milter with Postfix.
> 
> 1) How hard would it be to switch over my users/mailboxes to Postfix from
> Sendmail?
> 2) Have I misread, and is it just as easy to use a milter with Sendmail?
> 
> - Michienne
>