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Use Plaintext Email (2019)
here are two main types of emails on the internet: plain text and HTML. Many people, particularly in technical communities, strongly prefer or even require the use of plain text email from participants.
If your email provider's webmail doesn't have good plain text support, please consider writing to<postmaster@yourdomain.com> with a complaint, and using one of the recommended clients over IMAP & SMTP instead. Virtually all HTML emails sent by marketers include identifiers in links and inline images which are designed to extract information about you and send it back to the sender. HTML emails open up a lot of possibilities which are exploited by spammers to circumvent spam filters, such as making large amounts of text invisible, using hidden elements, and so on.
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