Suddenly stopped receiving Delivery Status Notificiation when I have ticked the option. (My email service provider has just migrated by domain to a new server.)
I have been using TB for many years but suddenly I have stopped receiving Delivery Status Notificiation - I can see the DSN option is clearly ticked. I have not changed my email settings but my email service provider has just migrated by domain to a new server. However, they say this issue has nothing to do with them. Please can someone clarify where the problem lies so that I may chase/change my email provider or, if necessary, change my email client. Thanks.
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Thunderbird, or any other email client, can only request DNS. It has no control over email servers on the network and when or if they send them.