What's the exact text of the error code? (I've noticed that different
servers use different wording sometimes...) Also, does att.com require you
to authenticate to their outgoing server, and have you done so?
What's the exact text of the error code? (I've noticed that different
servers use different wording sometimes...) Also, does att.com
require you to authenticate to their outgoing server, and have you
done so?
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