MailDeck

Cold email infrastructure across Microsoft 365, Google Workspace and private SMTP at scale

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A cold email infrastructure platform that runs outreach at scale across Microsoft 365, Google Workspace and private SMTP, designed to host and send from large numbers of inboxes. It helps agencies, B2B outbound sales teams and SaaS companies manage deliverability and operational reliability when scaling outbound campaigns and is used by many established B2B clients.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of MailDeck - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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