TempMail Hub
@tempmail_hub_botTemporary email inside Telegram: create a disposable address and get emails and confirmation codes right in the chat. No sign-up, inbox lives up to 7 days. Same inbox is also available on the web at tempmailhub.net.
With @TagRobot you can receive a message everytime you'll be tagged in a group, with info on groups and message.
— the badge on the card, faster publishing and a warning if the link stops working. How confirmation works