Find potential clients and verified contact details all in one place
Search, filter, and find your ideal prospects in a database of over 250 million contacts from our trusted partners, including email addresses and additional details. You can easily save and import these contacts directly to Outmass to start your automated email outreach.
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Join the Outmass community
Become part of our Outmass community, where business owners are enhancing their cold emailing strategies. Share your experiences, gain valuable insights, and connect with others to discover best practices.
“Outmass is its almost unlimited nature. The platform offers unlimited email addresses, unlimited prospects, unlimited warmup, and a very high monthly email limit. A major plus is that unused email quotas are carried over to the next month, which is fantastic. Additionally, the customer service is quick and efficient, always meeting my needs.”
“Unlike other tools we used before, Outmass made it possible to scale cold outreach to a new level. Now we send 25k emails a day with an excellent deliverability.”
“Outmass is an upgraded version of a tool we've been using for a couple of years now. They came up with sender rotation feature in 2019 which made a revolution in our outreach performance.”
“Outmass is its almost unlimited nature. The platform offers unlimited email addresses, unlimited prospects, unlimited warmup, and a very high monthly email limit. A major plus is that unused email quotas are carried over to the next month, which is fantastic. Additionally, the customer service is quick and efficient, always meeting my needs.”
Find the right customers with advanced filters
Filter by key attributes like industry, job titles, and keywords, using 65+ filters to find prospects who match your ideal profile.
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Bulk export contacts for scalable email outreach
Our partner's prospect database lets you bulk export contacts with just one click, making it easier than ever to scale your email outreach.
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Get all your questions answered here
Everything about Cello, from programs to channels and pricing.