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Author

Elena Constantinescu

Elena began covering tech in 2010 and has always been an advocate for innovation and digital privacy. With a background in testing and reviewing software, she started writing for Proton to push the company's mission toward building a private and free internet.

Learn the basics of email format, such as subject line, opening paragraph, sign-off, and signature, with practical tips and examples.
  • Privacy guides
Email format: Structure, tone, and style tips with practical examples
How to protect your inbox from an email extractor
  • Privacy guides
How to protect your inbox from an email extractor
How to whitelist an email address and keep important messages in your inbox
  • Privacy guides
How to whitelist an email address and keep important messages in your inbox
The cover image for a Proton blog, showing a phone screen with a lock logo and three password fields surrounding the phone
  • For business
9 crucial things to look for in an enterprise password manager
  • Privacy guides
Can you unsend an email?
pixel tracking: here's how to tell which emails track your activity
  • Privacy guides
What is pixel tracking? How to tell when emails are tracking you
how to write a professional email
  • For business
How to write a professional email the easy way
Email etiquette: What it is and why it matters |
  • For business
What is email etiquette? Examples and best practices
why are my emails going to spam
  • Privacy guides
Why are my emails going to spam? 6 reasons and how to fix it
  • Privacy guides
How do password managers work and protect your data?