When one of my contacts sends me an email, they now get it reported as undelivered with these details:
Arrival-Date: Tue, 18 Sep 2012 02:56:37 -0700
Diagnostic-Code: smtp;554 5.7.1 <email@example.com>: Recipient address rejected: Access denied
["firstname.lastname@example.org" replacing my email address]
I am hosting my domain and email on Dreamhost. My email has been working fine for months and I haven't touched any of the settings for months either.
This bouncing back started 4 days ago. But I am getting emails from other people ok, and my contact with this problem is able to send to others too - the problem only seems to happen when they send to me.
Any thoughts or ideas on this, I'd be very grateful. Thank you!