Ensuring Email From Cytracom is Received

Cytracom sends important information via email to its valuable partners and customers from time to time. 

In ensuring such communication arrives successfully, it may be necessary to review policies on the following:

  • Mail server
  • Corporate-level spam filter
  • Mailbox-level spam filter

It is recommended that the following steps are considered:

  • Ensure cytracom.com and cytracom.net are whitelisted
  • Ensure the following IP addresses are whitelisted:
    • 198.37.146.111-114
    • 209.105.249.232-252
    • 192.161.144.0-192.161.159.255 (192.161.144.0/20)
    • 185.12.80.0-185.12.83.255 (185.12.80.0/22)
    • 74.124.9.129-158
    • 50.31.156.116
If using strict email filtering rules, it would be prudent to consider visiting this page on a regular basis to check for updates.
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