Email clients will automatically downgrade messaging formats, but in order to upgrade, you need to do it manually. Tom forwards that email to Debbie – Email is delivered to Debbie’s mailbox as Plain Text.īut hang on, why is the email delivered to Debbie’s mailbox as Plain Text? Wouldnt it be converted to HTML format since Debbie’s email client uses HTML messaging format?
Harry forwards that email to Tom – Email is converted from Rich Text to Plain Text when it reaches Tom’s inbox. The email format can be changed by anyone who replies to that email.įor example, take a look at this example email trail to see how it can get converted between formats.ĭebbie: Uses HTML email messaging format.ĭebbie sends an email to Harry – Email is converted from HTML to Rich Text when it reaches Harry’s inbox. When you compose a new email in HTML format, the email doesn’t always stay in that format throughout the email chain. That aside, it’s still an option and the ability to use it is supported in our client libraries.ĬIDs work by attaching the image to the email you’re sending and then using standard HTML image tags that reference that image to eventually embed it in the email when the user opens it.Emails Converted to Plain Text by the Recipient
To me, CID (or Content-ID) feels old, and something very akin to working with emails in Outlook. In this post, we’ll look at the options available and address a few pros and cons of using them, as well as how you would use them with Twilio SendGrid, so you can take a look at your needs, and your audience, and make up your own mind.
Do you link out to the image on a CDN? Do you embed it and reference it via a CID tag? Maybe as a linked image? Which one should you choose? Even if it’s just a logo, you’ll find it helps to add a touch of legitimacy to what you’re sending out. It’s nice to spice up your marketing or transactional emails with a few images from time to time.
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