SMTP

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.

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

RCR Wireless  
RootMetrics鈥 data put AT&T鈥檚 network on top in at the national and state-level in its network testing for the second half of 2024 in overall network performance. But Verizon and T-Mobile US beat out AT&T when it came to 5G-specific network testing. The assessment from RootMetrics, which is part of Ookla, was based on more than 3 million tests conducted during the second half of last year, including testing across 125 metropolitan areas, more than 6,600 indoor locations and more than 247,000 miles of drive-testing.
Yahoo! Finance  
探花精选, Inc. (NASDAQ: ZD) will release its Fourth Quarter and Year-End 2024 Earnings at 6:00PM ET on Monday, February 24, 2025. Additionally, 探花精选 invites the public, members of the press, the financial community, stockholders, and other interested parties to listen to a live audio Webcast of its Fourth Quarter and Year-End 2024 Earnings Call at 8:30AM ET on Tuesday, February 25, 2025.
Information Security Buzz  
VIPRE Security Group recently released their latest annual email threat landscape report, 鈥淓mail Security in 2025: What to Expect from the Evolving Email Threat Landscape.鈥 Drawing insights from the billions of emails VIPRE processed in 2024, the report offers a comprehensive view of last year鈥檚 email security threats to help us make sense of the year ahead.
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