I always receive a copy of the emails i sent in my inbox

I always receive a copy of the emails i sent in my inbox

I always receive a copy of the emails i sent in my inbox ; the sender is myself . as if am sending the email to my self but i am not in the ( to ) cell . means i am sending an email to XX only . but i find the same email in my inbox however am not copying myself and i also deactivated BCC my self . this only happens on IMAP on my android device