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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:

128.135.12.75

128.135.12.76

128.135.12.77

128.135.12.120

128.135.12.121

128.135.12.130

128.135.12.131

128.135.12.132

128.135.12.133

128.135.12.134

128.135.165.67

128.135.165.68

128.135.165.69

128.135.165.70

128.135.165.71

128.135.165.72

128.135.165.73

128.135.165.74

128.135.165.75

128.135.165.76

128.135.165.77

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 ip4:128.135.12.0/24 ip4:128.135.165.0/24 ip4:128.135.13.200 include:_spf.google.com include:spf.protection.outlook.com include:e2ma.net include:servers.mcsv.net ?all




Keywords:mail smtp spf whitelist greylist   Doc ID:46365
Owner:Paul B.Group:University of Chicago
Created:2015-01-22 10:21 CSTUpdated:2015-08-13 11:41 CST
Sites:University of Chicago, University of Chicago - Sandbox
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