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oh, and if it *was* your mail server sending this out, then you have a different issue..... also, as you have hosted mail, ask your provider about their DKIM and SPF support, they may be able to turn this on for you....
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oh, and if it *was* your mail server sending this out, then you have a different issue..... also, as you have hosted mail, ask your provider about their DKIM and SPF support, they may be able to turn this on for you....

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xBouchardx<br />
Checked the MX records and no black listing yet!!<br />
<br />
DaveHowe<br />
Went to network Solutions and added SPF to the text in both domains I had this showing up in and now I just have to wait and see.<br />
Going to investigate the DKIM further in the meantime.<br />
<br />
Thanks guys
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xBouchardx
Checked the MX records and no black listing yet!!

DaveHowe
Went to network Solutions and added SPF to the text in both domains I had this showing up in and now I just have to wait and see.
Going to investigate the DKIM further in the meantime.

Thanks guys

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<div class="content wysiwyg-content">
We have had a sudden onset of email coming to our postmaster box (unknown mailbox) as undeliverable. for the most part have a format like:<br />
<br />
6A06FB@ourdomain.com<br />
<br />
I suspect a spammer is using our domain name, but what can we do about it. Mail is hosted at Networksolutions.net.<br />
<br />
don't really want to get blacklisted
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We have had a sudden onset of email coming to our postmaster box (unknown mailbox) as undeliverable. for the most part have a format like:

6A06FB@ourdomain.com

I suspect a spammer is using our domain name, but what can we do about it. Mail is hosted at Networksolutions.net.

don't really want to get blacklisted

Spam emails

An email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email. A web application that provides message management, composition, and reception functions may internally act as an email client; as a whole, it is commonly referred to as webmail. Likewise, email client may be referred to a piece of computer hardware or software whose primary or most visible role is to work as an email client. Email clients can also have other systems, like calendars, notes and contact managers.