Have set up a small website for a client however contact form submissions are not getting through to their email address. They have website hosted on one server and email on another although website and emails share the same domain.
The bounce back has this message attached:
550 Requested action not taken: mailbox unavailable or not local
It sends without issue to my email address and others but can't get to any on their domain.
Client's IT guy is a bit clueless so I'm unsure how he's configured the mail server?
Any suggestions? I can find out more info if it would help also.