Do you have proof? Really, firstlast@gmail.com is your account, even if you use first.last to sign in. People simply give out email addresses that don’t belong

Do you have proof? Really, firstlast@gmail.com is your account, even if you use first.last to sign in. People simply give out email addresses that don’t belong to them. Plain and simple. 100%, this is just some person giving out firstlast@gmail.com as their email addresses because it sounds good to them.