Single-Stage Open Relays that are not listed on one of the other active RBLs -- If you tried to send email and it was REJECTED with an error message that pointed to this page, then the IP address of your outgoing mail server is on our local blacklist. To see if you are on the SpamGuard list (or many of the other lists), go to this URL: http://relays.osirusoft.com/cgi-bin/rbcheck.cgi and enter your IP Address/Domain. If you run a mail server and need help in securing it, then please go here: http://mail-abuse.org/tsi/ar-fix.html for more details.
Your Email Deliverability is in Jeopardy!
Blacklisting is a sign that you are not actively managing your email deliverability. Other technologies - SPF, DKIM and DMARC are now just as important to get your email placed in the Inbox of your recipients. If you aren’t managing email deliverability, your message may never be heard.
MxToolbox Delivery Center Features:
- Insight into your SPF, DKIM and DMARC configuration to ensure your sending email properly
- DMARC Compliance checks for all of your reported email
- Adaptive Blacklist Monitoring of all your email senders
- Recommendations for improving DMARC compliance and DMARC policies
- Event-based reminders for emergent issues and on-going maintenance
DMARC is a necessity for your business!
Learn More about Email Delivery