https-everywhere-rules-raw-4.0: vendor/https-everywhere/src/chrome/content/rules/Sendmail.xml

<ruleset name="Sendmail" platform="mixedcontent">
  <target host="sendmail.com" />
  <target host="www.sendmail.com" />

  <rule from="^http://(?:www\.)?sendmail\.com/" to="https://www.sendmail.com/"/>
</ruleset>