thanks terry,
i shut both of them down.
matt
--- Tony Johnson <[EMAIL PROTECTED]> wrote:
> In sendmail.cf on the line Privacyoptions , add
> noexpn and novrfy.
> authwarnings should already be there.
>
> U can also use define(`confPrivacy_FLAGS' ,
> `authwarnings,noexpn,novrfy') in
> your .mc file and
> cd sendmail-configuration-directory
> m4 ../m4/cf.m4 your-mc-file.mc > sendmail.cf
> chmod g-w ./sendmail.cf
> Switch out your config files and HUP sendmail.
>
> these options give outside users the ability to see
> if a paticular username
> is valid on your system by telnetiing to smtp port.
> Someone, for example,
> could get all the users who are subscribed to this
> mailing list through expn
> and them spam them...
>
>
>
> > -----Original Message-----
> > From: Adrian Walters [SMTP:[EMAIL PROTECTED]]
> > Sent: Friday, January 28, 2000 4:20 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: expn and vrfy
> >
> > what do these options do?
> >
> > On Fri, 28 Jan 2000, matt boex wrote:
> >
> > =>Date: Fri, 28 Jan 2000 14:18:10 -0800 (PST)
> > =>From: matt boex <[EMAIL PROTECTED]>
> > =>Reply-To: [EMAIL PROTECTED]
> > =>To: [EMAIL PROTECTED]
> > =>Subject: expn and vrfy
> > =>Resent-Date: 28 Jan 2000 22:19:55 -0000
> > =>Resent-From: [EMAIL PROTECTED]
> > =>Resent-cc: recipient list not shown: ;
> > =>
> > =>
> > =>how do i shut of the expn and vrfy options on
> > =>sendmail. i looked for it on www.sendmail.org
> but
> > =>their security links throw you to cert.
> > =>
> > =>matt
> >
> =>__________________________________________________
> > =>Do You Yahoo!?
> > =>Talk to your friends online with Yahoo!
> Messenger.
> > =>http://im.yahoo.com
> > =>
> > =>
> > =>
> >
> >
> > --
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> > as the Subject.
>
>
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>
>
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