这是它们提出的问题： - What types of emails will you be sending - Transactional or Marketing? Please tell us briefly about how your business uses email. - Where do you source your database of email addresses? Please provide any available links. - Are all of your email addresses double-opt in? (This means that the user has requested your emails through sign-up and then confirmed via email that they want to receive your communication). - What is your expected monthly volume of messages? - Have you read our Email Best Practices document?
我是这样回答的： I just want to send the user registration confirmation, email address is the customers provide, it is a one-time. Less than 500 volume of messages.
然后支持又回复：
Thank you for contacting Mailgun support. You want to provide the customers with registration confirmation for what? Is it for a website? Please provide the link. When the customers provide their email address, is there a set of terms they have to agree to? Let us know if you have any questions.