<div>
Hi,<br />
<br />
Is this the entire error? Is this only happening to a specific address or domain? Its possible that your IP for your mail gateway may be on some spam block list.<br />
<br />
<a href="http://www.webmaster-toolkit.com/spam-block-list-checker.shtml" rel="ugc">http://www.webmaster-toolkit.com/spam-block-list-checker.shtml</a>
</div>


Hi,

Is this the entire error? Is this only happening to a specific address or domain? Its possible that your IP for your mail gateway may be on some spam block list.

http://www.webmaster-toolkit.com/spam-block-list-checker.shtml [http://www.webmaster-toolkit.com/spam-block-list-checker.shtml]

<div>
the messages are getting through but we get a message that error tagged to the notification message. &nbsp;it is only happening on that one domain. &nbsp;i think it is their spam filter or something. &nbsp;thoughts?
</div>


the messages are getting through but we get a message that error tagged to the notification message.  it is only happening on that one domain.  i think it is their spam filter or something.  thoughts?

<div>
Forced accept.<br />
<br />
Computer101<br />
EE Admin
</div>


<div>
<div class="content wysiwyg-content">
We get this notification message on some emails sending out,<br />
<br />
&quot;556 cannot accept message from this email address&quot;<br />
<br />
I can't find anything on this.
</div>
</div>


We get this notification message on some emails sending out,

"556 cannot accept message from this email address"

I can't find anything on this.

556 cannot accept message from this email address

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.