Ah, my tests were run on 3.7.x
I have been unable to reproduce the error you describe below. We didn't
do a lot of testing (on Mail Sentinel) before the 3.7.x line of code.
Maybe David or Paul will chime in if something changed...I didn't look.
Jack Daniel wrote:
Absolutely sure. It happened several times during a series of hardware
problems with one of our mail servers. I was proxying two mail domains but
not a third (a personal domain I host work). Mine was always OK, the others
bounced whenever the RoBoX didn't see the servers. This was up to at least
3.6.x.- but this is on an elderly RoBoX-R unit that has some other quirks.
I do a/v and a/s on the mail servers and have our ISP perform inbound and
outbound a/v and a/s (as well as store & forward))on the pipe.
Jack
-----Original Message-----
From: blist
To: [email protected]
Sent: 4/14/06 4:47 PM
Subject: Re: [gb-users] License question
Are you sure about this?
My tests show a 4xx error being issued which should generally cause the
sending mail server to queue the message.
I did test through a relay server though (the relay server queued the
message just fine when the firewall couldn't reach the backend mail
server).
Overall the AS/AV works quite well in our experience.
Jack Daniel wrote:
One issue to be aware of with Mail Sentinel (not directly related to
anti-spam and a/v, but significant) is the behavior of the mail proxy
when
the mail server is down. The mail proxy bounces mail with a "not a
mail
server" type message instead of a "not responding" message. As a
result, if
you have a store-and-forward solution in place the recovery server
probably
will not queue mail, it will just bounce everything as undeliverable.
Jack Daniel, CISSP
Systems Administrator
South Shore Imported Cars www.sscars.com
Mass Buying Power www.massbuy.com
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