Dots does matter in GSuite's email addresses (those are the email addresses for enterprise via work or school.)
Also in the email name part of the email address, anything after + (plug sign) and before the @ (at sign) don't matter either. [1] This is the same behavior for personal Gmail and GSuite email (Gmail for enterprises)
[1]: https://gizmodo.com/how-to-use-the-infinite-number-of-email-...