
Bundle and bulk-manage email by sender, subject, or time
Mailstrom is a web-based inbox cleaner that connects to Gmail, Outlook, Yahoo, iCloud, and IMAP accounts and groups your email into bundles you can act on as a single block. Instead of triaging messages one-by-one, you delete, archive, or auto-clean thousands at once.
Groups email by sender, subject, list, time, size and more for batch actions.
One-click block to send all future mail from a sender straight to trash.
Set rules to auto-delete messages from a sender after X days.
Detects mailing lists and surfaces working unsubscribe links in one place.
Saved smart searches that turn complex queries into one-click bundles.
Works with Gmail, Google Workspace, Outlook/Microsoft 365, Yahoo, iCloud, AOL, IMAP.
Bundle every newsletter sender, then mass-unsubscribe and auto-delete archives in one pass.
Bundle by 'largest attachments' to free Gmail storage without losing important threads.
Set expiration rules so promotional senders self-clean every 30 days going forward.
Best SaneBox alternative for power users with massive inboxes who prefer manual control over AI guessing.
Best for Gmail users with massive inboxes who want structural insight, not just deletion.
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