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If you are having problems with a Linaro Mailman 3 server and the information below does not help, please email for assistance. Please provide the URL of the Mailman server and as much information as possible regarding the problem.

Table of Contents

Can’t sign in

As explained in Signing In, there are three ways to authenticate with Mailman 3:


  1. Sign in to the appropriate Mailman server

  2. Click on your profile icon in the top right corner and click on “Account”

  3. Click on the “Delete Account” tab

  4. Click on the red “Delete Account” button

Cannot administer lists

If you do not see any administration options when you click on a list name (see Administering a list), it may be because the email address on record for the list administrator includes “+” and some additional characters. Mailman 3 needs to match email addresses precisely for administrative control to be provided.

There are two possible solutions:

  1. Email IT Services with a list of the lists that you think you administer and ask them to remove the “+” section of the email address or

  2. Add the “+” version of the administrator email address to your account (see for details.