How can a person change their password if they use WebMail for their league email address? September 07, 2018 18:12 Updated Log into WebMail at https://webmail.teamsideline.net. Click on Options. Click on Login to change the password. Related articles Why am I getting an Unknown or Disabled User error when I try to log into Web Mail? How to access WebMail directly How can I setup Password Recovery in WebMail? How To Change Your Admin Password How do I add an Admin to our website?