[Spambayes] Re: All these Default Mailboxes in OpenBSD. What for?

Todd C. Miller Todd.Miller at courtesan.com
Mon Dec 9 15:17:52 EST 2002


In message <v0311074eba177cfe8be3@[192.168.0.2]>
	so spake "John D." (lists):

> # General redirections for pseudo accounts
> bin:	root
> daemon:	root
> named:	root
> nobody:	root
> operator: root
> uucp:	root
> www:	root
> ftp-bugs: root
> popa3d: root
> proxy:  root
> smmsp:  root
> sshd:   root
> _portmap: root
> _rstatd: root
> _identd: root
> _rusersd: root
> _fingerd: root
> _x11:   root
> 
> Why MUST these be present?
> We are getting an unusual amount od spam mail sent to these Email addresses, 
> and want to know why these are created in the first place.   

These are all pseudo-users.  They either own files in the filesystem
or act as unprivileged users that certain commands run as.  If they
are not aliases to something, then any mail that happens to come
for them will just end up in /var/mail, which could eventually fill
up /var.  There's no reason they have to point to anything real,
though.  They could just go to /dev/null if you want (though operator
is often used as real user and some people mail www instead of
webmaster).

 - todd



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