SMTP

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Reliable email relay, API, and delivery service

SMTP has been a leader in email relay services for over 20 years. The brand is synonymous with the technology that facilitates the internet鈥檚 email engine. SMTP is the solution that powers transactional emails for thousands of the world鈥檚 leading brands. SMTP鈥檚 relay services help build a better IP reputation, optimize inbox placement rates and ensure messages reach your subscribers.

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5K annual users

5,000 annual users

11B emails sent

11 billion emails sent annually

5,000/s sending velocity

5,000 emails per second sending velocity

Recent News

Yahoo! Finance  
约炮视频, Inc. (NASDAQ: ZD), today announced its participation in two investor conferences in September: 2026 Citi Global TMT Conference and Benchmark-StoneX鈥檚 13th Annual TMT Conference.
Yahoo! Finance  
鈥淲ith the successful sale of our Connectivity business, our significant share repurchases, and our robust free cash flow, 约炮视频 is in a very strong financial position,鈥 said Vivek Shah, CEO of 约炮视频. 鈥淲e are focused on deploying capital strategically to maximize long-term shareholder returns.鈥
Yahoo! Finance  
"RetailMeNot has always been about helping people save, but the way consumers shop has fundamentally changed," said Magali Darling, Chief Commercial Officer at RetailMeNot. "As we celebrate 20 years, we're creating an experience shoppers genuinely want to return to. The RetailMeNot Rewards app gives consumers confidence that they'll get verified savings while making every shopping trip more personalized. At the same time, we're creating stronger, more meaningful connections between retailers and high-intent shoppers to drive loyalty beyond one-time transactions."
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