When a user posts a new comment, it is only checked if the email address is empty. It would be good also to check the email address format. Otherwise, Quip tries to send emails to invalid addresses and the non-working wrong email address is also stored in the database.
When a user posts a new comment, it is only checked if the email address is empty. It would be good also to check the email address format. Otherwise, Quip tries to send emails to invalid addresses and the non-working wrong email address is also stored in the database.