Save my email #attachments to Dropbox
Send IFTTT any email at email@example.com and this Trigger fires. You can optionally add a single file attachment and IFTTT will create a public URL to the file as an Ingredient. This trigger will reject emails with attachments over 30MB.
This Action will download a file at a given URL and add it to Dropbox at the path you specify. NOTE: 30 MB file size limit.
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Email and Dropbox