Hi, I have just transferred a clients domain and website to my hosting server, however have opted to keep the existing email settings on their exchange server.
After about a Week the domains have finally transferred and so I am testing the email to this client. However I am getting an error
site2.exch500.serverdata.net gave this error:
Client was not authenticated
Your message wasn't delivered due to a permission or security issue. It may have been rejected by a moderator, the address may only accept email from certain senders, or another restriction may be preventing delivery.
the DNS settings are now
Domain name : breitensteins.com
IP Address (A-Record) : 126.96.36.199
Name server 1: ns-uk.1and1-dns.co.uk
Name server 2: ns-uk.1and1-dns.com
Name server 3: ns-uk.1and1-dns.org
Name server 4: ns-uk.1and1-dns.biz
Mail server 1: site2.exch500.serverdata.net, 10