User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0 Build ID: 20170729100254 Expected results: Adding a default webmailer option, on the same principle as for search engines, or Extentions the ability to add a webmail, such as Protonmail (I understand that this would complicate to Set up, but today many people go through the web client) leaving to go through specific extensions.
You should be able to do this through the Applications section of Preferences by changing the mailto handler.
Status: UNCONFIRMED → RESOLVED
Last Resolved: a year ago
Resolution: --- → WORKSFORME
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