Gmail help kaze sledece:
Because Gmail doesn't recognize dots as characters within usernames, adding or removing dots from a Gmail address won’t change the actual destination address. Messages sent to email@example.com and firstname.lastname@example.org are all delivered to your Inbox, and only yours.
Gmail allows only one registration for any given username. Once you sign up for a particular username, any dot variations are made permanently unavailable for new accounts. If you believe that a message was sent to you accidentally, we suggest contacting the sender to inform him or her of an incorrect address.
Cista laz, posto na adresu npr. franziskakafka dobijam mail za npr. franziska.kafka ili franziskakafka25 itd. (izmisljene adrese, samo primera radi.)