https://www.twilio.com/en-us/blog/partners/spotlights/twilio-sendgrid-joins-authindicators-working-group
Twilio SendGrid Joins The Authindicators Working Group | Twilio
Twilio SendGrid Joins Authindicators Working Group to work on Brand Indicators for Message Identification (BIMI)
twilio sendgridjoinsworkinggroup