[GH-ISSUE #150] Some mail not signed, some mail signed incorrectly #115

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opened 2026-02-26 10:36:02 +03:00 by kerem · 0 comments

kerem commented

2026-02-26 10:36:02 +03:00

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Originally created by @watermark on GitHub (May 5, 2016).
Original GitHub issue: https://github.com/Pro/dkim-exchange/issues/150

Versions

Windows Server Version: 2008 R2 Standard
Exchange Version: 2010
Installed DKIM Exchange Version: 3.0.3

Description

According to DMARC reports: not all mail is signed and some mail is signed incorrectly. (12% isn't signed at all and 9% is signed incorrectly). These reports come from several DMARC providers (Google, MS, Yahoo, AOL). All from a single Exchange server with no additional plugins.

What additional information could help diagnose this issue?

DMarcian report: https://gist.github.com/watermark/220d9f5d4b73e1afab4bd280486d31d3

Originally created by @watermark on GitHub (May 5, 2016). Original GitHub issue: https://github.com/Pro/dkim-exchange/issues/150 ### Versions - **Windows Server Version**: 2008 R2 Standard - **Exchange Version**: 2010 - **Installed DKIM Exchange Version**: 3.0.3 ### Description According to DMARC reports: not all mail is signed and some mail is signed incorrectly. (12% isn't signed at all and 9% is signed incorrectly). These reports come from several DMARC providers (Google, MS, Yahoo, AOL). All from a single Exchange server with no additional plugins. What additional information could help diagnose this issue? DMarcian report: https://gist.github.com/watermark/220d9f5d4b73e1afab4bd280486d31d3