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Email Relaying IP Addresses

This article provides IP addresses where mail is relayed that are recommended for whitelisting.

The following IP addresses relay mail: (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 maintains current ranges for relaying mail and also provides for several off-campus services to send mail from

v=spf1 mx ip4: ip4: ip4: ?all

Keywords:mail, smtp, spf, whitelist, greylist   Doc ID:46365
Owner:Paul B.Group:University of Chicago
Created:2015-01-22 11:21 CDTUpdated:2017-03-10 12:39 CDT
Sites:University of Chicago, University of Chicago - Sandbox
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