Google’s email platform used worldwide for communication.
Ensure email HTML templates avoid homoglyphs to prevent spam filters blocking legitimate marketing emails.
Mailchimp rejects emails due to DMARC p=reject, sending 100% non-authenticated despite DKIM setup.
Gmail.com’s ownership by Google seems indefinite, with no foreseeable reason for it to expire.
Clean your email lists now to prevent spam complaints and protect future deliverability success.