[ExchangeList] Re: Cannot pin point smtp error

  • From: Danny <nocmonkey@xxxxxxxxx>
  • To: exchangelist@xxxxxxxxxxxxx
  • Date: Thu, 6 Apr 2006 12:29:41 -0400

-------------------------------------------------------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.

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