[release/8.0] fix redundant CRLF response during SMTP negotiate#109112
Merged
rzikm merged 2 commits intorelease/8.0-stagingfrom Nov 12, 2024
Merged
[release/8.0] fix redundant CRLF response during SMTP negotiate#109112rzikm merged 2 commits intorelease/8.0-stagingfrom
rzikm merged 2 commits intorelease/8.0-stagingfrom
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Thank you for considering backport 😄 |
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No, the release process is more complicated and the code is branched off a month before the release. This code will likely ship in December servicing update. |
karelz
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Nov 11, 2024
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Migration blocker to .NET for important customer who needs LTS support. We should fix it in 8.0.x. |
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Approved by @SteveMCarroll via email on 11/11. |
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CI i s green. ready to merge |
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Backport of #105939 to release/8.0-staging.
Fixes #108382
/cc @rzikm @avin3sh
Customer Impact
Reported by a customer (financial institution) as migration blocker from .NET Framework to .NET Core LTS version. They need 8.0 LTS due to internal security restrictions.
The problem is with SMTP Negotiate authentication response, which is incorrect (reached via SmtpClient).
Regression
Yes - between .NET Framework and .NET Core.
It did not work on recent .NET Core releases. Possibly broken about 8 years ago when introducing Unix support.
Testing
Patch submitted and tested by customer - confirmed in #108382 (comment)
Risk
Low, the change is very contained and relevant code paths have been tested.