Postfix - dovecot-lda -> Permission denied

[Steffen Kaiser]

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On Fri, 27 Feb 2015, Wöltje, Marcus wrote:

> I'm trying to run Postix and Dovecot on a Mac OS X, but somehow, it doesn't work. I probably messed up the privileges or something else. Hopefully someone of you, can help me figure it out.
> So far, Postfix is delivering the mail into ~/Maildir. But as soon as I add the line:
>
> mailbox_command = /Applications/Server.app/Contents/ServerRoot/usr/libexec/dovecot/dovecot-lda
>
> in /etc/postfix/main.cf
>
> I get the following entry in the mail.log.
>
> Feb 27 16:08:02 Nils-iMac.local local[53237]: fatal: execvp /Applications/Server.app/Contents/ServerRoot/usr/libexec/dovecot/dovecot-lda: Permission denied
> Feb 27 16:08:02 Nils-iMac.local postfix/local[53236]: B246837BE40: to=<marc at localhost.local>, orig_to=<marc at localhost>, relay=local, delay=1185, delays=1185/0.01/0/0.01, dsn=4.3.0, status=deferred (temporary failure. Command output: local: fatal: execvp /Applications/Server.app/Contents/ServerRoot/usr/libexec/dovecot/dovecot-lda: Permission denied )
>
> Here are the rights of dovecot-lda:
>
> -rwxrwx---  1 root  certusers  32144 Dec  5 04:41 /Applications/Server.app/Contents/ServerRoot/usr/libexec/dovecot/dovecot-lda
   ^^^^^^^^^^

Only root and users in group certusers may exec the program, as what user 
postfix tries to run the LDA?
Maybe check any directory in path as well.

- -- 
Steffen Kaiser
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