I cannot log in to my mail, firstname@lastname.com, because the Zoho system sends a one-time password to firstname@lastname.com. Sorry Zoho, I can't tell you that password because you won't let me log on :)
What should I do to get the one time password sent to a different email address?
Overview of SMS-based OTP MFA mode The SMS-based OTP MFA method involves the delivery of a one-time password to a user's mobile phone via SMS. The user receives the OTP on their mobile phone and enters it to sign into their account. SMS-based OTPs offer