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We recently getting e-mail bounce back when e-mailing certain people. It's always been fine but it started happening about 2 weeks ago.<br />
<br />
An example of the bounce back message is:<br />
<br />
This is the mail system at host abc.abc.abc.net.<br />
<br />
I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.<br />
<br />
For further assistance, please send mail to postmaster.<br />
<br />
If you do so, please include this problem report. You can delete your own text from the attached returned message.<br />
<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;The mail system<br />
<br />
&lt;abc@abc.com&gt;: host cluster.abc.abc.com[xxx.xx<wbr />x.xxx.xxx]<wbr /><br />
&nbsp; &nbsp; said: 553 Sender Policy Framework (SPF) fail (in reply to RCPT TO command)<br />
<br />
Any advice on how I can get this resolved?
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We recently getting e-mail bounce back when e-mailing certain people. It's always been fine but it started happening about 2 weeks ago.

An example of the bounce back message is:

This is the mail system at host abc.abc.abc.net.

I'm sorry to have to inform you that your message could not be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can delete your own text from the attached returned message.

                   The mail system

<abc@abc.com>: host cluster.abc.abc.com[xxx.xxx.xxx.xxx]
    said: 553 Sender Policy Framework (SPF) fail (in reply to RCPT TO command)

Any advice on how I can get this resolved?

E-mail bounce back - 553 Sender Policy Framework (SPF) fail (in reply to RCPT TO command)

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).

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.

Exchange

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).