sendmail relay options

how i avoid from people out of my domain using my sendmail 8.8.7 from using it as thier smtp server
sboazAsked:
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sherwoodConnect With a Mentor Commented:
A much better solution for most users is to rip out sendmail
and drop in qmail, zmailer, or exim.  Of the three, I found
exim to be the easiest to configure.


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ahoffmannCommented:
see following sendmails options for more details:

O PrivacyOptions=goaway
O AllowBogusHELO=false
O LogLevel=

You may also use the delivery agent F=w flag in the rules to identify "unfriendly mailusers" and reject delivery.

Probably most users go away when rhe PrivacyOptions are used.


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sboazAuthor Commented:
not helped
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ahoffmannCommented:
answer accepted, but comment "not helped"
What's the truth now?
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sboazAuthor Commented:
situation is that i have to upgrade the package
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