I am using a contact list to send email. It has worked previously and about 2 months ago I started getting the emails kicked back by gmail
Your message did not reach some or all of the intended recipients.
Subject: Men's Breakfast
Sent:7/5/2014 9:32 AM
The following recipient(s) cannot be reached:
XXXXXX on 7/5/2014 9:32 AM
Server error: 'Invalid recipient'
XXXXX on 7/5/2014 9:32 AM
Server error: 'Invalid recipient'
The email addresses are correct and have worked previously -- Any idea what is causing this
Chris