20130725 LT at AQ
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about MHTML img embedding.
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20130725 LT at AQ
- 2. Who am I Working at Twitter bot @quake_alert @quake_alert_en Yoshihiro Iwanaga
- 3. Work with AQ Discussion App UX Design Consulting Number of active users was increased dramatically
- 4. To gather more user… Mail Magazine ・ inspire motivation to visit app ・ notify hot / interesting discussion gather more comments / advices User Satisfaction
- 5. for better presentation I decided to use HTML Mail
- 6. however
- 7. omg… some mail clients block image downloading
- 8. How can I do with this? RFC2557 MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)
- 9. 1. Use “multipart/related” 2. Refer image by “Content ID” 3. Send Answer
- 10. From: foo@example.com To: bar@example.com Subject: MHTML with embedded image MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=boundary”; type="text/html”; ------=boundary Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7BIT <html> <head></head> <body> <img src="cid:foo"> </body> </html> ------=boundary Content-Type: image/png; name=foo.png Content-Description: foo.png Content-Transfer-Encoding: base64 Content-Disposition: inline; filename=“foo.png”; Content-ID: foo iVBORw0KGgoAAAANSUhEUgAA ... ------=boundary Header Body Image Data
- 11. Notice –Size limitation on mail (e.g. 200KB) –JavaScript and CSS3 are NOT reliably available Users use not Web Browser, but Mail Browser.
- 12. Result