>This is the problem:
>
>.trinityliquidations.com smtp:[192.216.106.5]
>trinityliquidations.com smtp:[192.216.106.5]
>
>That is the address of the Imail box. I have manually postmapped the
>transport.map, and did a postfix reload.
you don't need the .domain.com lines, if put transport_maps in this list:
# postconf | egrep -i parent
parent_domain_matches_subdomains =
debug_peer_list,fast_flush_domains,mynetworks,permit_mx_backup_networks,qmqpd_authorized_clients,relay_domains,smtpd_access_maps
man smtpd
parent_domain_matches_subdomains
List of Postfix features that use domain.tld patterns to match
sub.domain.tld (as opposed to requiring .domain.tld patterns).
Len