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Email relaying IP addresses
This article provides IP addresses where uchicago.edu mail is relayed that are recommended for whitelisting.
The following IP addresses relay @uchicago.edu mail:
10.50.211.0/24 (internal to campus only)
All mail relaying from these IP addresses should be recognized as belonging to the University of Chicago community and whitelisted / exempted from greylisting accordingly.
The SPF record for uchicago.edu maintains current ranges for relaying mail and also provides for several off-campus services to send mail from uchicago.edu.
v=spf1 mx ip4:22.214.171.124/24 ip4:126.96.36.199/24 ip4:188.8.131.52 include:_spf.google.com include:spf.protection.outlook.com include:e2ma.net include:servers.mcsv.net ?all