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smtpd: warning: valid_hostname: misplaced delimiter: .

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Martin Zahn

Martin Zahn

Systems Engineer
Mar 22, 2022
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I found the following messages in maillog:

smtpd[21307]: warning: valid_hostname: misplaced delimiter: .

However our hostname in main.cf and /etc/hosts are correct.
What is the source for this message ?
 
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