If you have forgotten your password, you can use this form to reset your password. You will receive an email with instructions.
This must be your Minecraft-Username. Case sensitive.
Join any MyM server and run the command /forumtag to get your captcha. Or alternatively (including if you're banned) join the server auth.mym.li to grab it. Works on versions 1.4.7 to 1.12.2.
Separate names with a comma.