RATS-NoPtr - An IP address which has no reverse DNS, and probably the home of a SpamBot -- If you are listed in the Spamrats/RATS-NoPtr blacklist and you operate your own mail server, you have no "Reverse-DNS Entry" in place with your ISP to resolve that IP address to your server's hostname.

More information about RATS NoPtr can be found at their website: http://www.spamrats.com

DMARC is the key to improving Email Deliverability!

Email is the key to your customer communication strategy. But, what is your email reputation?

Setting up and managing your DMARC configuration is the key to getting insight into your email delivery. MxToolbox is the key to understanding DMARC.

MxToolbox Delivery Center gives you:

Who is sending phishing email purporting to be from your domain
What is the reputation of your domains and delegated IPs
Where other senders are and What their reputations are
How your SPF, DKIM and DMARC setup is performing
What on-going maintenance you need to maintain and improve your email deliverability

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RATS NoPtr

More Information About Rats Noptr

DMARC is the key to improving Email Deliverability!

MxToolbox Delivery Center gives you:

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