How To Increase SMTP Debug Logging - MTA
| KB 21884
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Last updated on 2021-05-24
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Last updated by Heera Singh Koranga
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Verified in:
 ZCS 9.0
ZCS 8.8
ZCS 8.7
ZCS 8.6
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 - This is certified documentation and is protected for editing by Zimbra Employees & Moderators only. |
| KB 21884
|
Last updated on 2021-05-24
|
|
|
|
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only. |
- This article is a Work in Progress, and may be unfinished or missing sections.
Purpose
How To Increase SMTP Debug Logging - MTA
Resolution
1) You can obtain this by modifying the master.cf.in.
- On ZCS v8.6 and Old: Modify
"/opt/zimbra/postfix/conf/master.cf.in"
- On ZCS v8.7.x and Above: Modify
"/opt/zimbra/common/conf/master.cf.in"
2) Go to the smtpd line and at the end of the line add -vv
smtp inet n - n - - smtpd -vv
3) Restart the MTA service.
zmmtactl restart
4) Check log file "/var/log/zimbra.log"
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| Wiki/KB reviewed by
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SME1
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SME2
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Copyeditor
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Last edit by Heera Singh Koranga
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