I am having a new problem with the sending of invoices through the system and they not being received. The confusing thing is it is only to NHS email addresses which is predominantly the main customers but every none NHS email is receiving ok - I am also getting no bounce back messages.
I do use the SMTP and my normal emails do still arrive with no issues.
Is this something that anybody has come across before as this is baffling me!
I have updated the SMTP just incase but still the same.
Any help would be much appreciated.