Mailbird often runs a where you can earn a free Lifetime or Yearly license. By inviting friends and colleagues to download the app through your unique link, you can unlock premium status once a certain number of people join [2]. 3. Seasonal Sales and Discounts
Offers a sleek interface similar to Mailbird, though the free tier is limited to two accounts. Free Mailbird License Key
If your trial expires and you aren't ready to pay, consider these powerful, email clients that offer similar features to Mailbird: Mailbird often runs a where you can earn