In Mac Mail we had a Verizon account (our provider is Verizon and we can only send emails via Verizon SMPT). Verizon switched to AOL. Now th
Mail problem, Mac OS 10.12.6. We have internet from Verizon (and can only send emails via Verizon SMPT) and have Verizon email account. When this was changed to AOL the blue dot next to unread emails in Mail did not disappear when the email was opened. Any fixes?
iMac, macOS Sierra (10.12.6)