I am using qmail under tcpserver. We have users
that are coming in from IPs that have no
reverse DNS resolution. As a result, it takes
forever for them to send email via smtp connections.
I want to disable reverse lookups using the -HR
flag on tcpserver, but appear to run into a problem
with /var/qmail/control/relaydomains, i.e. users
that are listed in relaydomains are now disallowed
since I disabled reverse lookups. Is there an
easy way to temporarily disable relaydomains, and
control relaying purely based on relayclients.
I do realize that tcpserver itself provides an IP
based relaying mechanism, but I currently cannot
update qmail due to some other issues (since I
already have patched qmail with relayclient/domains
patch).
Again, how can I modify tcpserver or qmail or
relaydomains in order to ignore domain based
relay checks.
Thanks for your help!
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