> 1. how come i'm able to use the same smtp on two different machines on the
> home network without having to authenticate for smtp on the imap account?

It is possible that you're using a NAT router/gateway between your
home network and your ISP?  If so, the NAT address on the WAN side
of your router serves both of your home computers.  That address is
the one that is known to the Qmail/Vpopmail server, not the different
internal addresses.  To the mail server, you're coming from the same

To see ensure that your mail relay filters are working, go here:
and follow the instructions for the anonymous test.

Eric Ziegast

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