On Thu, 27 Nov 1997 16:03:28 +0600 (GMT+0500)
Fyodor <fygrave @
freenet .
bishkek .
su> wrote:
It is in earlier versions, try it and see if your version
complains, look in syslog for errors...
Maybe you should upgrade to the latest version ?
In actual fact the 'goaway' is many switches, specifically
for VRFY one can use 'novrfy' and for EXPN use 'noexpn'
> > # prevent people using the EXPN and VRFY commands
> > O PrivacyOptions=goaway
>
> is it implemented in 8.8.8 sendmail only?
> > # to use tcp-wrappers and hosts.allow / hosts.deny, recompile after
> > # modifying the makefile in sendmail-8.8.8/src/Makefiles/Makefile.your-
os
> > LIBS= -lwrap
> > ENVDEF= -DTCPWRAPPERS
> > /etc/hosts.allow
> > sendmail: .your.domain EXCEPT spam.net
>
> will those two changes reject SMTP connections from spam.net hosts?
> hmm.. would it work with 8.8.6/8.7.3 sendmail?
Yes just use the normal hosts.allow / deny syntax as per your needs.
>
> hmm.. and i am surprised it would work, if you run sendmail as daemon.
> AFAiK hosts.allow|deny files are used by inetd. daemon for checkin' its
> services.. or i am mistaking here?
Yes unfortunately you are mistaken, it works as intended :)
>
> > #remove the version number, obscurity
> > O SmtpGreetingMessage=$j Mailer ; $b
>
> yeah, usually helps to fool intruders about your Sendmail version.
>
--
Yours faithfully, Norman Widders.
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