Skip to main content

Performance Issue: Lyris e-list email to some non-cornell domains being blocked/rejected

Last Updated:
2023-08-29 14:26:35
Event:
2023-08-28 21:36:00
Status:
Closed
Brief Description:
Resolved: E-list email to some non-cornell domains is being blocked or rejected since sometime yesterday, August 28, 2023. CIT is investigating. A Spamhaus blacklist is blocking Cornell's sending IP address.
User Impact:
E-list email to non-Cornell domains may not have been received. E-list email to cornell.edu addresses appears to be working.
Workaround:
There is no workaround for this issue
Current Status:
E-List email to non-cornell.edu address is no longer being blocked.
Services Affected:
Bulk Email
Subsites Affected:
E-lists (Lyris)
Full Description:
Resolved: E-list email to some non-Cornell domains have been blocked or rejected since sometime yesterday, August 28, 2023. CIT is investigating. A Spamhaus blacklist is blocking Cornell's sending IP address. Blocked domains include non-Cornell domains handled by Microsoft, Yahoo, AOL, Verizon, and others. E-list email to cornell.edu addresses appears to be working.
CIT TDX ID:
1136928



Timeline of Changes

Description Current Status Date Time
Resolved: E-list email to some non-Cornell domains have been blocked or rejected since sometime yesterday, August 28, 2023. CIT is investigating. A Spamhaus blacklist is blocking Cornell's sending IP address. Blocked domains include non-Cornell domains handled by Microsoft, Yahoo, AOL, Verizon, and others. E-list email to cornell.edu addresses appears to be working. E-List email to non-cornell.edu address is no longer being blocked. 2023-08-29 14:26:35
E-list email to some non-Cornell domains have been blocked or rejected since sometime yesterday, August 28, 2023. CIT is investigating. A Spamhaus blacklist is blocking Cornell's sending IP address. Blocked domains include non-Cornell domains handled by Microsoft, Yahoo, AOL, Verizon, and others. E-list email to cornell.edu addresses appears to be working. CIT is investigating. 2023-08-28 21:46:33