On Fri, 2016-05-20 at 10:13 -0400, Bob Goodwin wrote:
> I sent test messages to my usual e-mail address, e.g. 
> bobgood...@wildblue.net or my working gmail address, both entered via 
> the balsa "compose" and/or set-up GUI. However this leaves me
> wondering about what my ISP is actually getting. Perhaps there is
> something in the configuration that I am missing and what is being
> sent is not what I expect.

Okay, after looking back through the thread, is wildblue.net different
from your ISP?  They may require you to authenticate with them as one of
their users.  That can throw up a relaying not allowed error message,
too.  In this case, it's not based upon the address, but based upon only
allowing their customers to send through them.

Some ISPs do that by getting you to check for new mail (where you're
providing username and password, as part of the normal POP or IMAP mail
fetching procedure) before trying to send mail.  Others require you to
send username and password to log into their SMTP server to send mail
(your username may be just your username with the ISP, or it may be your
whole email address with that ISP).  And there's different ways that you
can send that information (e.g. unencrypted or encrypted).

Carefully look through your settings that you used on your other mail
client, that worked, to send mail with that address.

                            ------------

Another cause for a SMTP server giving you a relaying disallowed error
message is the IP that you're trying to connect from.  Normally, all IPs
that they give their customers are automatically allowed.  If you're
trying to access them when connected to the internet some other way,
such as taking your laptop to a friend's place, or a cafe, that they may
absolutely refuse to do it, even if you try authenticating.

It is possible to use a telnet client as a command line interface to
talk to a SMTP server, sending the commands and data that an email
client would do, to see what the server says back to you.  That lets you
poke at a server, to see if you can diagnose a problem that may not be
because of your mail client.

-- 
tim@localhost ~]$ uname -rsvp

Linux 3.19.8-100.fc20.i686 #1 SMP Tue May 12 17:42:35 UTC 2015 i686

All mail to my mailbox is automatically deleted, there is no point trying
to privately email me, I will only read messages posted to the public lists.

George Orwell's '1984' was supposed to be a warning against tyranny, not
a set of instructions for supposedly democratic governments.
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