We're in the progress of separating Mailplane for Snow Leopard from Lion / Mountain Lion. This should solve some problems which came up on Snow Leopard recently.
Mailplane 5 Get ready for takeoff!
We’re giving Mailplane a new engine, built for Apple silicon and Intel Macs. Be the first to hear when it’s ready.
Only news about Mailplane. No spam.
Download later
Mailplane requires macOS 10.12 or higher.
Send yourself an email and download Mailplane later when you're back on your Mac.