All of a sudden we are getting these errors when we send to certain domains.
Can someone please assist before I jump off of a milk carton!!
'firstname.lastname@example.org' on 10/24/2006 11:21 AM
You do not have permission to send to this recipient. For assistance, contact your system administrator.
<email.rolandfood.com #5.7.1 smtp;554 5.7.1 Sender address rejected: ACL mx_access.regexp - Your domain has an illegal MX record>
Tell me what Info you need. Or where can I look to best troubleshoot this.
Obviously one of my MX records is messed but but not sure why it's affecting email from 3 sites.