You can just choose the secret question instead and be done with the registration in minutes. Back to the topic at hand, one such example of email services that do not require a phone number would be Yandex email. During the registration, Yandex service will ask for your phone number, however, it is not mandatory. We recently did a piece on 10 easiest ways to tell if someone is lying on the phone or text, which makes for a great reading experience, and you will certainly learn a few tricks about telling the liars apart. Before we get deeper into the matter, we would like to suggest an article that might interest you as well.