Save the Dates Email

Send them from your personal email or get on the phone with your loved ones and talk to them directly. Any third party messaging will be sent to junk folders if they even go through at all, so no one will know you are getting in touch with them.

You'd have to send them from your own email or by text. Honestly for a wedding unless the wedding is super informal save the dates and invitations should be physical and sent via mail. People overlook emails and text messages all the time so there's a possibility guests won't even look at your save the date unless they are aware it's coming.

Hi Liz! In your guest list tool there is a evite option (which is like a wedding invitation and directs to your wedding website) and there is an RSVP reminder!!