MTAs that don't pass errors through...

	It's great to be able to reject a connection from a spammer. It's
okay to reject a connection from a legitimate sender, as long as the
rejection message is reasonable and gets back to him. Unfortunately, there
is at least one MTA that doesn't pass the error through to the sender:
Hotmail. When a hotmail sender gets a bounce, all it says is that the
message could not be delivered - how useful :-/

	Anyone know of any other domains that do similar, useless
reporting?

	I always try to provide a useful message and a URL for contact
with the admin, for all rejections, but I may have to do something else
for domains like this, just for the benefit of any legimate senders using
such servers.

-- 
Roger Walker
"HIS Pain - OUR Gain"

0
roger
5/28/2004 1:08:52 AM
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On 28 May 2004, at 02:08, roger-qpsmtpd-list@rope.net wrote:

> 	It's great to be able to reject a connection from a spammer. It's
> okay to reject a connection from a legitimate sender, as long as the
> rejection message is reasonable and gets back to him. Unfortunately, 
> there
> is at least one MTA that doesn't pass the error through to the sender:
> Hotmail. When a hotmail sender gets a bounce, all it says is that the
> message could not be delivered - how useful :-/
>
> 	Anyone know of any other domains that do similar, useless
> reporting?

There are sadly plenty though I don't have a list.

> 	I always try to provide a useful message and a URL for contact
> with the admin, for all rejections, but I may have to do something else
> for domains like this, just for the benefit of any legimate senders 
> using
> such servers.

We should be able to provide an API for accepting but sending a bounce. 
This would involve changing the message at inject time for a bounce 
message.

Matt.

0
matt
5/28/2004 6:48:55 AM
Reply:

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