[ExchangeList] Re: Cannot pin point smtp error

  • From: "Scott Weber" <sweber@xxxxxxxxxxxx>
  • To: <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 7 Apr 2006 08:21:01 -0500

http://www.msexchange.org
-------------------------------------------------------Made a little progress 
yesterday and found out some interesting things.

But come to find out according to someone from Postini we are getting
these 451 errors which they say is a delay email code, and it's supposed
to be sent back to our exchange server for re-processing.

But instead it's giving a NDR and stopping.  Does anyone know how to
check and make sure the exchange server will process the delayed emails.

Thanks
Scott


-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Danny
Sent: Thursday, April 06, 2006 11:30 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Cannot pin point smtp error

http://www.msexchange.org
-------------------------------------------------------On 4/6/06, Scott
Weber <sweber@xxxxxxxxxxxx> wrote:
>
> First this is the first time we have seen this.
> Basically what is happening is an email that we are sending out to our

> clients and agents is getting returned with the following error:
>
>
> The e-mail system was unable to deliver the message, but did not 
> report a specific reason. Check the address and try again. If it still

> fails, contact  your system administrator.
> <servername here #4.0.0 smtp;451 Too many recipients for one session -
> psmtp>

Either you use Postini for outbound SMTP, or your recipient
(destination) uses Postini for spam and virus email protection.  You are
attempting to send to too many recipients for that SMTP session. 
Spammer like.

You are a Postini client; contact their support or your reseller.

> So I checked the smtp virtual server and the limit was set to 64000..
> So just to make sure I unchecked it to allow any #.
> Sent out another one and it still didn't work, and we got the same 
> error message.

[...]

Check with Postini.

...D
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