On Wed, Jan 12, 2011 at 10:51 AM, Gary Chambers <gwch...@gwcmail.com> wrote: > This is definitely not a Postfix problem. For the record, the OP needs to > choose whether or not they wish to authenticate (via submission (587) or > SMTPS (465)) or send mail with plain SMTP. To fix the problem as described > by the OP: > > $rcmail_config['smtp_user'] = ''; > $rcmail_config['smtp_pass'] = ''; > > IOW, the OP's system is configured to try to use authentication on a plain > SMTP session.
This fixed it. Thank you!