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.
This bot receives LaTeX code and generates a fully-formatted image! Also, this is the only LaTeX bot with inline support. Use latexxbot [text] anywhere to easily generate math formulae and share with groups or individual chats. A LaTeX image generator.
— the badge on the card, faster publishing and a warning if the link stops working. How confirmation works