[SUMMARY] Many Sendmail.cf Question

2007-12-25 10:37:00

Thanks to Rich Pieri <rich.pieri@prescienttech.com> for suggestion

My original problem is :

------------------------

        My company already exist a centralize email machine. What I

        want is set up a mail server for my department. I already

        install sendmail v8.8.5 (Solaris 2.5.1)

        

        Requirement :

        ---------------------

        A) One main mail server, "mydepartment",

        Other machine set as null client.

        B) If the "TO" user not belong to my department, mail

        system forward those email to company email

        server "companymail".

        C) user receive email send by my department staff

        From : userA -> From : userA (No Change)

        D) other department staff receive email send by my department staff

        From : user A -> From : userA@mydepartment

        E) outsides receive email send by my department staff

        From : userA -> From : userA@mydepartment.domain.com

        M4 macro for my department mail server :

        ----------------------------------------

        include(`../m4/cf.m4')

        VERSIONID(`mydepartment.mc Man Wu 4 June 1997')

        OSTYPE(solaris2)dnl

        MAILER(local)dnl

        MAILER(smtp)dnl

        I can deliver the email, when I send to other department (Requirement D),

        From : userA -> From : userA@mydepartment.domain.com

        My question :

        -------------

        Q1) How to configure in order to meet my requirement

        Q2) During my testing, for undeliver email will send to postmaster with

            body of messages, how can I delete the body due to privacy

        Q3) What is the different between "MAIL HUB" and "SMART HOST"

        04) If I define the userdb like this

                

                userdb file:

                ------------

                userA Man_Wu_userA

                        

                The outgoing will be rewritten as "Man_Wu_userA", if someone send

                the email to "Man_Wu_userA@mydepartment.domain.com", Is userA

                receive this email ?

        05) What is the priority between alias (on NIS+) and userdb,

        

                Alisas file (on matter on files or NISplus)

                -----------

                userA:userB

                User db

                -------

                userA Man_Wu_userA

Suggestion from Rich Pieri :

----------------------------

You should get "the bat book" (sendmail) from O'Reilly & Associates, by

Eric Allman and others. It is the canonical reference for sendmail, and

you should have it if you are doing anything "funky" with your sendmail.cf.

Result :

--------

        So far, I am study "bat book", and not solve any question yet ..

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