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IBM DNS Blacklist

What you see when your domain has this problem
Added to IBM DNS Blacklist Details area Ignore
Add blacklist monitor for 10.140.20.39

More Information About Ibm Dns Blacklist

The IBM DNS Blacklist (Cobion) lists IP addresses that have been identified as spam sources. A positive listing can occur if several emails have been rated as spam by the Proventia Mail Security System or the Lotus Protector for Mail Security systems. This blacklist zone is part of the default configuration for both systems.

More information about IBM DNS Blacklist can be found at their website: http://filterdb.iss.net/dnsblinfo/

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

  Learn More

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