https://maildeck.co/

https://maildeck.co/

Enterprise cold email infrastructure for high-volume senders

I
@ivan9041
Published on Apr 6, 2026
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$60k MRR
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About https://maildeck.co/

MailDeck is an enterprise-grade cold email infrastructure platform designed for high-volume outbound teams. It provides unified inbox management across Google Workspace, Microsoft 365, and custom SMTP providers - all from a single dashboard. With automated DNS configuration, built-in SPF/DKIM/DMARC setup, and seamless sequencer integrations, MailDeck helps sales teams, lead gen agencies, and SDR organizations scale their outreach without burning domains or losing deliverability.

Product Insights

MailDeck provides enterprise-scale outbound infrastructure, centralizing Google, Microsoft, and SMTP accounts into a unified management web platform for high-volume delivery. It streamlines technical deployment for sales organizations by automating security protocols and domain configurations.

  • Supports multi-provider unification across Google Workspace, Microsoft 365, and SMTP.
  • Automates essential technical setups including DNS, SPF, DKIM, and DMARC protocol.
  • Designed for high-volume senders requiring domain protection and deliverability at scale.
  • Integrated sequencer compatibility for seamless sales development representative workflows.

Ideal for: Agencies, enterprises, and sales teams needing to manage massive outbound infrastructure across thousands of domains without sacrificing deliverability.

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Comments (2)

asiffarhankhan
@asiffarhankhan

Looks really helpful for marketting with a very well thought design @ivan9041 especially with my requirements. Dropping a follow to keep up with the updates. See you around!

I
@ivan9041

We built MailDeck to solve a problem B2B outbound teams kept hitting: scaling cold email without burning domains or landing in spam