@LifeP, do you mean like instead of seeing the entire email address you only see the alias? If it is, I am not sure but maybe @Muzzy can help out on this.
@Amarjeet_Singh_Sintu, then you should probably confirm the email address and/or the password. If you follow these instructions in detail, it should work.
I am facing issue setting up the email thing. The error is “Invalid Outgoing Mail Server or Port.” smtplib.SMTPAuthenticationError: (535, b’5.7.8 Username and Password not accepted. Learn more at\n5.7.8 Check Gmail through other email platforms - Gmail Help b188sm190610vke.40 - gsmtp’)