Probably. Before you give up on GD, try ports 587, 80 or 3535. You can always use something like GMX and define a rule to forward from GMX to GD. That what a lot of people that use Gmail do.
Well I got a different result with 80 (see below) but the same error with 587 as I got with the default (25). 3535 has blown something out and I can't even get back into the controller from my laptop. I'm sure I'll get back in.
Guess GoDaddy is out. That blows. Thanks for the help.
With 80 I got:
AquaController> SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpauth04.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpout05.prod.mesa1.secureserver.net ESMTP
SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpout05.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpout04.prod.mesa1.secureserver.net ESMTP
SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpout04.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpauth12.prod.mesa1.secureserver.net ESMTP
SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpauth12.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpauth01.prod.mesa1.secureserver.net ESMTP
SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpauth01.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpauth13.prod.mesa1.secureserver.net ESMTP
SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpauth13.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpauth21.prod.mesa1.secureserver.net ESMTP
SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpauth21.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpout04.prod.mesa1.secureserver.net ESMTP
SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpout04.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpauth16.prod.mesa1.secureserver.net ESMTP
SMTP: mailhost <--
SMTP: EHLO neptunesys.com
SMTP: mailhost --> 250-smtpauth16.prod.mesa1.secureserver.net
SMTP: mailhost --> 250-AUTH LOGIN PLAIN
SMTP: mailhost --> 250-8BITMIME
SMTP: mailhost --> 250 PIPELINING
SMTP: mailhost <--
SMTP: auth login
SMTP: mailhost --> 334 VXNlcm5hbWU6
SMTP: mailhost <--
SMTP: c2hvcHBpbmc=
SMTP: mailhost --> 334 UGFzc3dvcmQ6
SMTP: mailhost <--
SMTP: dGVycmFuZXQ3
SMTP: mailhost --> 451 Internal error.
SMTP: unexp reply: 451 Internal error.
SMTP: server = 3aa5ca40
SMTP: fdopen OK
SMTP: mailhost --> 220 smtpout04.prod.mesa1.secureserver.net ESMTP
Connection to host lost.
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