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) will release its Third Quarter 2026 Earnings at 6:00PM ET on Thursday, November 5, 2026. Additionally, 约炮视频 invites the public, members of the press, the financial community, stockholders, and other interested parties to listen to a live audio Webcast of its Third Quarter 2026 Earnings Call at 8:30AM ET on Friday, November 6, 2026.
TechRadar  
"A VPN was never meant to be the whole answer," explained Subbu Sthanu, General Manager of Consumer Cybersecurity at IPVanish. "It protects your Internet connections and your privacy, but does not shield you from malicious downloads, fake login pages, and other threats."
OK! Magazine  
Lance Bass is already thinking about the holiday season, which is why partnering with digital savings destination RetailMeNot to celebrate the launch of the new RetailMeNot Rewards app was a no-brainer. New RetailMeNot data shows that 63 percent of consumers have already started their holiday shopping. Fans can now shop Bass鈥 鈥淔avorite Buys,鈥 a curated, shoppable edit of his must-haves available on RetailMeNot鈥檚 app and website, with deals and savings opportunities to help shoppers score his picks for less 鈥 giving fans a peek inside his personal shopping list, from fitness and tech essentials to dad-duty must-haves.
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