I am having trouble changing my email address in the General Settings. When I type in my new address and click Save Changes, it says "Settings saved" at the top of the page, but I usually won't receive the confirmation email that will actually finalize the change.
The only way around it I have found is if I submit the new email address 2 to 3 times in a row and then one of them will usually get through and I can confirm the new email address.
If this was just my problem then it wouldn't be so bad because of the work-around, but I am admin for about 20 employee blogs and this becomes a problem anytime one of them wants to change the email address that they would receive notifications at.