Hallo App might be a bit more popular than Polymail. We know about 1 link to it since March 2021 and only 1 link to Polymail. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Polymail - This one is a lot like Twobird but with a lot more features. It's a different type of email client. It's really cool, but the Windows version is just a web app. It's available on iOS as well. Source: over 2 years ago
They usually have an appeal and unbanned you after 6 months. But yeah switch to Telegram or Signal. There’s another app from former WhatsApp developers called https://halloapp.com/. Source: almost 3 years ago
Airmail - Airmail is a lightweight and lightning fast mail client for Mac.
Sociall (Beta) - A secure and private decentralised social network for all.
Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues
hub - The Hub is a versatile intranet portal and collaboration solution that boosts employee engagement and productivity in a digital workplace.
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Whaller - Create your own free and unlimited private social networks.