MailScanner & CentOS5/Sendmail

Gerard Cleary gcle at
Fri May 16 04:41:09 IST 2008

On Fri, 16 May 2008 10:41:25 Henry Kwan wrote:
> After setting up a gateway using CentOS5 & postfix, I'm attempting to set
> one up using sendmail to see which MTA I want to use.
> But I'm having a bit of problem with file permissions.  If I set
> mqueue/ to root.bin & 750 as recommended by the MailScanner page
> (, I end up with a ton of "Cannot
> cd to dir /var/spool/ to read messages, Permission denied" error
> messages.
> If I chown both folders to mail.mail, MailScanner will stop complaining but
> then when I send a test message to myself, I get a "sendmail[5777]:
> m4G0Wf7t005777: SYSERR(root): collect: Cannot write ./dfm4G0Wf7t005777
> (bfcommit, uid=0, gid=51): Permission denied" error.
> So what ownership and file permissions should mqueue/ have?
> Thanks.
Our system uses Centos 4.5 and Sendmail.
/var/spool/mqueue has modes 700 and ownership root.mail
/var/spool/ has modes 700 and ownership root.root



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