Want to protect your cyber security and still get fast solutions? Ask a secure question today.Go Premium

x
?
Solved

Recipient cannot recieve emails from our domain

Posted on 2012-12-20
1
Medium Priority
?
407 Views
Last Modified: 2013-04-16
How can I prove him wrong? I know that there are SFP records out there for our email domain. (Mail.ourdomain.com) 12.123.123.123 but the information that the recipient is providign to us shows that SPF lookup is failing on mailsweeper6.ourdomain.org which is our mailsweeper appliance. Why is his SPF lookup looking at this internal address?

The recipients IT staff (Hosted email by DNSPark) keeps thrwoing it back in our lap saying the problem is on our end. I am not quite sure what tool I can use to prove that a SPF lookup on our mail domain is valid. I also don't understand why they are doing a lookup on the server name of our mime sweeper box?

The recipient's IT department replies with:
" The sending server admin needs to ensure that their sending IP/host is listed in the SPF record for whatever domain is used to send mail. That is the quickest route to resolution of this issue."



Can you help Please?
0
Comment
Question by:khowe34
1 Comment
 
LVL 10

Accepted Solution

by:
ienaxxx earned 2000 total points
ID: 38710053
It's probably cause your mailsweeper appliance presents itself with its internal name, with ehlo or helo command in the initial protocol communication "handshake".

You need to configure it to present itself with the same name as your internet SPF DNS record.

That's all.
HTH.
.-)

Here some tools: http://smtp.e-dns.org/mailsweeper.aaaa.org.
0

Featured Post

Who's Defending Your Organization from Threats?

Protecting against advanced threats requires an IT dream team – a well-oiled machine of people and solutions working together to defend your organization. Download our resource kit today to learn more about the tools you need to build you IT Dream Team!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Ransomware continues to be a growing problem for both personal and business users alike and Antivirus companies are still struggling to find a reliable way to protect you from this dangerous threat.
An introduction to the wonderful sport of Scam Baiting.  Learn how to help fight scammers by beating them at their own game. This great pass time helps the world, while providing an endless source of entertainment. Enjoy!
Kernel Data Recovery is a renowned Data Recovery solution provider which offers wide range of softwares for both enterprise and home users with its cost-effective solutions. Let's have a quick overview of the journey and data recovery tools range he…
How can you see what you are working on when you want to see it while you to save a copy? Add a "Save As" icon to the Quick Access Toolbar, or QAT. That way, when you save a copy of a query, form, report, or other object you are modifying, you…

577 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question