sendmail: allowing specific host range for relay

kilowatt

mach-o mach-o man
Let us say that I am an ISP. And I have my mail server co-located away from my site. And it therefore has a different IP address than the rest of my hosts and clients.

I would like to allow all my hosts and clients to relay mail through this host (ie, send mail outward).

The host rang I want is best specified as a FQD. Something like:
*.myisp.net

I have the following in my /etc/access.db file (formatted in berkeley db of course):
Code:
myisp.net      RELAY
otherhost      OK
And the following in my m4 config file:
Code:
FEATURE(relay_entire_domain)
FEATURE(access_db)

I continue to get 'Relaying denied' though, when I try and send mail through it.

What am I missing?
 
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