How can I remove an ad-blocker (or anti-virus which I prefer not to do) from T-Bird email page? I don't see an ad blocker icon on email page. The reason being , I have an address ....highermark@embarqmail.com....address which has just recently''''''''' receives emails but'' doesn't send .'' Outlook email is working fine, after changing or giving password but not embarqmail address a Centurylink address which has recently been sold to Brighthouse. I've changed servers, (both are correct) outgoing & incoming ; problem has been going on for 2 weeks! Searching, I saw removing an add blocker may solve the problem due to an upgrade(which I suspect). But it's not shown on my email page! please help. Mj