Send an email to IFTTT with an image attachment in order to upload that image on 500px. The subject of the mail and its body will be respectively the title and the description of the photo on 500px.
If
Send IFTTT any email
Send IFTTT any email at trigger@applet.ifttt.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.
Then
Upload photo from URL
This Action will upload a new photo, from a given URL to an image, to your 500px photostream.
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