pompeiisneaks wrote:
Does that make sense?
It doesn't make any sense to me. According to the error message, it's very clear that the email was not smtp authenticated, that's why iRedAPD rejected it.
pompeiisneaks wrote:
<<< 554 5.7.1 <user@oneofmydomains.com>: Recipient address rejected: SMTP AUTH is required for users under this sender domain