[Resolved] Postfix X-Authentication Warning

X-Authentication-Warning can appear on the mail header , when the user sending email is not trusted by the mail server. There is a chance that email are considered as spam because of this.

To fix it you can add the user to /etc/mail/trusted-users

If your system has forms that used to send email as apache user, you can add “apache” user to the trusted-users file.

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