Email server monitoring tool

Blacklist monitor. Daily blacklist checks.

  • Email alerts on listings and delistings
  • Daily or weekly reports
  • Sender Score reputation monitoring
  • SNDS blocklist and trap hits monitoring
Spam blacklist (RBL, DNSBL) is a list of IP addresses and domain names that supposedly are source of email spam. Most mail servers and spam filtering systems use spam block lists. If your domain name or mail server IP address is listed in the spam list, email you send may be rejected or marked as spam.

Test if your mail server IP or domain name blacklisted

IP or domain name   
Lookup  IP blacklists
Domain name blacklists
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SMTP server monitor

  • TCP port connectivity monitoring
  • Domain name resolution monitoring
  • Reverse DNS monitoring
  • Instant email alerts when monitored state has changed
  • Monitoring from multiple locations
Free one month trial
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