I have an account with a milk delivery service that sends out two emails to me each time I get a delivery (twice a week). These emails come from an address in the form donotreply@xxx.xxx. These emails were delivered fine to my main BT email address until January this year when they stopped being delivered and could not be located anywhere in my account not even in Spam. To attempt to resolve this issue, we eventually changed my email address on the milk account to my other BT email address. The emails started coming through regularly again to that address. Now, about a month later, they have suddenly stopped and I cannot find any sign of them anywhere. It seems like something has just "learned" the address these emails are from and blocked it. But it has done somewhere I cannot find as a user. Other emails from the delivery service domain (ie. from addresses NOT starting with donotreply) come through to my BT email without any problems.
Anybody know what's going on and what I can do to resolve it?
