> On Mon, 18 Feb 2002 10:39:39 +0200 (IST), Tzafrir Cohen 
<[EMAIL PROTECTED]> 
> wrote:
> > 
> > Why won't they use the local smtp server? (where they connected to)
> > 
> > an ISP sells you a dial-up link natuarally you can relay mail to the local
> > smtp server, right?
> 
>  Not always. When you use "roaming" dial-in you don't have 
> local mail. In this situation, you can usually read (pop) but 
> not write (smtp).
> 
> > You really don't want to allow all the dial-up users of that server do
> > allow relaying through your.
> 
> Agreed.
> 
> > Two options:
> > 
> > 1. SMTP-level authentication
> > 2. pop-before-smtp
> 
> Some more options:
> 
> 1. Use SSH for connecting and tunnel the pop (110) and smpt 
> (25) ports   to the mail server (thats how I work, from home 
> and when I'm abroad).   The SSH can connect to any local (behind 
> the firewall) machine.
> 2. You can allow re mailing from specific mail address by adding 
> a line    like   "From:[EMAIL PROTECTED]     RELAY"   to 
> the access file.
>    (I use this form too, but I like it less, it can be abused).
> 

i went for option #2 .
true, its less secure, but more configurable (to my opinion) and simpler to 
maintain if you need to change it a lot.

tal.



> Ehud.
> 
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