[H-GEN] Problems with masq'ing sendmail
Bruce Campbell
bc at thehub.com.au
Wed Sep 1 01:42:30 EDT 1999
[ Humbug *General* list - semi-serious discussions about Humbug and
Unix-related topics. ]
On Wed, 1 Sep 1999, Craig Armour wrote:
> > The firewall PC is a router-on-a-floppy and runs in RAM. We simply don't
> > have the storage space for the emails to sit. I could put a hard drive in
> > the machine, but then what would be the point of it being a dedicated
> > firewall on a floppy machine?
>
> use sendmail as a relay daemon only. Then it will only store the email
> if the connection to your next host is down (ie the box is offline)
Can anyone spot the inherent contradiction in the above two paragraphs?
In the above configuration, you don't want any MTA running on it. Why?
MTAs have this tendency, if a transient delivery failure occurs, of
writing the mail to a temporary storage area. Of course, if this isn't a
hard drive, you are therefore dropping mail on the floor in a power
outage, with no record of whether is was further delivered to the other
side of the firewall.
--==--
Bruce.
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