Should html and plain versions of the same email be sent?

You don't absolutely have to send both a text and an HTML version of your emails. That was a common practice up to even five years ago, but now almost every email client can read HTML emails. However, while the majority of email clients can read HTML emails, there are still some holdouts.

1. Should I send email in HTML or plain text?
2. How do I send plain text and HTML email simultaneously?
3. Why should every email you send have a plain text version sent with it?
4. What version of HTML does email use?

Should I send email in HTML or plain text?

While HTML email still has issues, most notably with compatibility, it still wins in the end. Plain text emails are often reliable in terms of email deliverability. Still, when it comes to overall user experience, visual display, and brand consistency, HTML wins out, hands down.

How do I send plain text and HTML email simultaneously?

GroupMail allows senders to send both an HTML and plain-text version of their email at the same time. This is done using a format called Multi-Part MIME. When a multi-part MIME email (read: an email that includes both an HTML and plain-text part) is created in GroupMail, they will be sent out together as one message.

Why should every email you send have a plain text version sent with it?

There are many benefits of including plaintext emails as part of your overall marketing strategy. HTML emails with a plaintext alternative are spam filter-friendly. Whereas, HTML-only emails are a red flag for spam filters because most spammers are not concerned with taking the time to create a plaintext alternative.

What version of HTML does email use?

HTML 4 strict, inline styles, no CSS, no JS.