wxiaoguang fb704f6c72 Revert unrelated changes for SMTP auth (#21767) ...

The purpose of #18982 is to improve the SMTP mailer, but there were some
unrelated changes made to the SMTP auth in
d60c438694

This PR reverts these unrelated changes, fix #21744

2022-11-10 16:12:23 -05:00

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db

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ldap

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oauth2

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pam

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smtp

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sspi

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