do you say either or either?

Growing up, I self-taught myself to pronounce this word as "Ee-ther". Then I went to a private teacher and learned that the correct English pronunciation is "Eye-ther". Then I also came to know that the word can be pronounced in both way regarding different accents. Then I stopped caring which pronunciation I was using while speaking. Most of the time, I say "Eye-ther". I utter the later one barely.