If you use Toodledo, you can forward the email via GMail filter to your Toodledo account and the dictated text will be added as a task to your todo list.
If
Leave IFTTT any voicemail
This Trigger fires every time you leave any voicemail at your IFTTT phone number.
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ID AcYmrsHw
Discover more time saving integrations for Email and Phone Call (US only)