sendmail virtaul domain with database

I am setting up a virtual domain but still not work at this stage, the following is what I've done.
1 Edit a text file, /etc/mbt, looks like :
    info@client1.com          user1@my.net
    info@client2.com          user2@my.net
    info@client3.com          user3@my.net

2 Use the command :
    makemap dbm mbt < mbt
   and get two files mbt.dir and mbt.pag

3 Add a line in the "local info" section of the file /etc/sendmail.cf :
    kmbt /etc/mbt

4 Add the following rules in R98
    # Use mailboxtable-database:
          R$+ < @ $+ . >      $: $1 < @ $2 > .
          R$+ < @ $+ > $*      $: $(mbt $1@$2 $: $1 < @ $2 > $3 $)
          R$+ < @ $+ > $*      $: $(mbt $2 $: $1 < @ $2 > $3 $)
          RERROR $*            $#error $: $1
          R$+ < @ $+ > .      $: $1 < @ $2 . >

5 Test the rule set 98 with :
   98 info@client1.com
             or
   0 info@client1.com
It cannot rewrite the address to user1@my.net. The output is the same as input.

Then I test if the database works with the following steps
6 Delete the rules add to S98 in step 4
7 Add a rule
   R$+         $:  $(mbt  info@client1.com $)

8 Test the S98 with
    98 info@client1.com

The S98 still not rewrite the input address. But what I expect is no matter the input address is, it will be rewritten  and use the value of the key "info@client1.com" of the database mbt as output address.

I have tried to use other method that  do not use database, such as add some rules in S2, it works but rather troublesome.

I am using linux kernel v.2.0.29 and the sendmail version is BSD sendmail 8.7.5

Thank you for your attention.
Regards
Wong

wongmfAsked:
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aleshkaCommented:
The solution is more simple: first of all you can find it on www.seendmail.org, but in a few words, you shoulld do the following:

1. Create the /etc/mbt database in the same manner as you do.
2. Instead of all those rules, add one string into you /etc/sendmail.cf:

  Kvirtuser dbm /etc/mbt

Thats all. Hope this will help.

NOTE: This works fine with sendmail-8.8.5-4, and maay be you'll need to upgrade it :(
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wongmfAuthor Commented:
Thanks for your reply, but it doesn't work in my system at this moment. Could you tell me how can test the sendmail.cf file to see if the rewriting rule is alright.
Regards
Wong
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aleshkaCommented:
I remember that it was take me whole hours to set it up :). All stuff helped me do so, is located at: http://www.sendmail.org/virtual-hosting.html

Also, I can send you my sendmail.cf, if you want.

PS: Values in your mbt file (before makemap) ,ust be separated by TABs.

Best wishes :)

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wongmfAuthor Commented:
Please send me your sendmail.cf. Thanks a lot.
Rgds
Wong
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aleshkaCommented:
You email ? :)))
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wongmfAuthor Commented:
Sorry, I forgot it. It is :
          wongmf@confer.net.hk
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