[PLUG] Sendmail Vulnerability

[Ed Sawicki]

On Mon, 2003-03-03 at 13:49, Rich Shepard wrote:
>   When I first started using linux, about 5 years ago, it took me quite a
> while to understand that e-mail requires 1 from column A, one from column B,
> one from column C and (perhaps) one from column D. Once I understood that
> the rest was easy.
> 
>   There are four separate, but integrated components of a mail system. For
> systems not running a local server one needs fetchmail. Then, everyone needs a
> MTA to handle incoming and outgoing mail. After this comes the MDA (most of
> us use procmail) and, finally, the MUA of which there are a gazillion
> choices (text and graphical).
> 
>   Understanding the flow of both incoming and outgoing messages does not
> come from reading man pages or looking at a list of application choices.
> It's necessary to understand the big picture so the appropriate choices can
> be made for each component.

Got it covered I think. That's Chapter 1. 

Ed