Dovecot - "Invalid settings: postmaster_address setting not given" about mailinabox HOT 3 CLOSED

Thanks for reporting the issue!

I wasn't getting this error on mine, but I've patched the mail setup to set the configuration option now.

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Thank xxdesmus ,i have the same problem.
Can not send mail ,
in postfix log infor the following:

"[private/dovecot-lmtp], delay=240270, delays=240270/0.02/0/0, dsn=4.4.2, status=deferred (lost connection with mail.xxx.com[private/dovecot-lmtp] while receiving the initial server greeting)"

then open dovecot debug log,infor us the following:
+++++++++++++++++++++++++++++++++++++++++++++++++++
Invalid settings: postmaster_address setting not given
++++++++++++++++++++++++++++++++++++++++++++++++++++
then according your method .solve this issue.
My environment is:
reinstall Postfix+dovecot+LNMP+Postfixadmin+Roundemail+clamav+amais-new+spamassassin
and change mysql DB host. install from source.
first install is ok. reinstall have occur the above issue.
Br

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how ic can fix this

eu,)Error: Error reading configuration: Invalid settings: postmaster_address set ting not given lda: Fatal: Internal error occurred. Refer to server log for more information. 4.2.1 Message can not be delivered at this time )

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