MailSignal

What it does

MailSignal is a lightweight Windows app that keeps every inbox in sight by showing unread counts for multiple accounts right on your taskbar. Connect Gmail (personal and Workspace), Microsoft 365, personal Microsoft accounts, and shared mailboxes, then jump to any inbox with one click. It stores tokens locally encrypted with Windows DPAPI and only accesses unread counts, not message content. Start free for two accounts with 5-minute polling, or upgrade to Pro for unlimited accounts.

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