[juneau-lug] Re: SPAM filtering...
- From: "James Zuelow" <jamesz@xxxxxxxxxxxxxxxx>
- To: <juneau-lug@xxxxxxxxxxxxx>
- Date: Thu, 27 Feb 2003 09:56:43 -0800
> -----Original Message-----
> From: juneau-lug-bounce@xxxxxxxxxxxxx
> [mailto:juneau-lug-bounce@xxxxxxxxxxxxx] On Behalf Of Kevin Miller
> Sent: Thursday, February 27, 2003 10:39 AM
> To: 'juneau-lug@xxxxxxxxxxxxx'
> Subject: [juneau-lug] Re: SPAM filtering...
>
>
>
> We get a fair amount of mail over 10 mb so it would be a
> problem to me. Also, I looked into updating sendmail
> yesterday. The default install after updates/security
> patches is 8.12.3. Current is 8.12.7. One of the readmes
> says to create a user & group called smmsp so that sendmail
> no longer has to run as root. It recommends using id #25 but
> that's already taken by default on SuSE systems. Don't know
> if that's just a "convention" since sendmail listens on 25,
> creating a semi-logical identity relationship or if it's
> something used by the system at some deeper level. They
> didn't say what to do if it was already taken however so I
> presume that it's not that critical.
I would guess not - although it is possible to hard code user and group
ID numbers into a process instead of using the name. What user does
SuSE have using ID 25? I'm at work and all I have is OpenBSD to look
at, and user 25 is: smmsp, Sendmail Message Submission Program. I have
Postfix installed, so it must be an OpenBSD default account.
> What stumped me though,
> is what to do w/the password. Is SOP to leave it blank and
> assign a nul shell to the account? If not, how does sendmail
> know how to log in?
>
Sendmail won't ever actually log in. It will just start and assign
itself the user and group id of smmsp. IIRC you put an asterisk in
/etc/passwd, but do not put a password in /etc/shadow (using passwd).
Don't leave it blank! Again, I only have OpenBSD available here, so I
can't check.
Myron knows more about the password/login stuff.
Cheers,
James
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