Go to this link:
https://lists.wikimedia.org/mailman/options/winedale-l/
Log in with your email address and the password which is: orinevpu
If that catchy little word is mine only, then input your email address and hit
'password reminder' and yours will be sent to you.
Once you've logged in, scroll down to options in gray box, change Digest Mode to
"on" then hit 'Submit Changes' below.
Cheers,
Horatio