I have a question relating to my Gmail account although I will use a fake email address for the purpose of this question.
My Google email account is
But then today I received an email, which is addressed to
firstname.lastname@example.org. (note the periods
Is this a bug of Gmail or is this intended behaviour?
I've checked the mail headers and I am sure that there is no cc or bcc to
email@example.com, but yet I received them.