since folks are sharing tools they use to test, I have one to validate if your email sender can send internationalized emails
pünicode.com. Any local part will create a temp cache that you can check to see if your email system can deliver to international local and/or domain parts. EG, send an email to josé@pünicode.com and see it show up at pünicode.com/emails/josé.
pünicode.com. Any local part will create a temp cache that you can check to see if your email system can deliver to international local and/or domain parts. EG, send an email to josé@pünicode.com and see it show up at pünicode.com/emails/josé.