Reset or change a password. Real examples, captured from actual signups.
Password reset emails let a user regain access to their account. They must be fast, obvious and trustworthy, since people are often frustrated when they ask for one.
Tell the user how long the link works, so an old email does not cause confusion.
One line saying the email can be ignored if they did not ask for it prevents panic.
No promotions, no newsletter content. The best examples are almost plain text.
