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Read 42 SMTP2GO reviews and testimonials from customers, explore 23 case studies and customer success stories, and watch 2 customer videos to see why companies chose SMTP2GO as their Transactional Email Software

SMTP2GO's mission is to provide the fastest, most reliable SMTP service on the market, while supporting the community and environment. With data centers in the USA and Europe, their customers span over 130 countries. SMTP2GO is proud to have featured in the Deloitte Technology Fast 500 Asia/Pacific every year from 2012 to 2016.

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Customer Rating Review Scorebased on 2827 reference ratings
4.8/5.0 (2827)
  • Top Performer 2025 2025
    Winter 2025Top PerformerTransactional Email Software

42Testimonials

  • "We feel like a valued customer. We are always sure that our tens of thousands of emails are delivered on time. Staying in contact with our customers by email is essential for our business. To do business we rely heavily on email to keep in contact with our customers. Wherever we are, our emails have to reach our customers without fault and SMTP2GO helps us achieve that. SMTP2GO is very easy to use and integrate with. We are always sure that our tens of thousands of emails are delivered on time. Since we started using SMTP2GO we have always received a great service from them."

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23 Case Studies

  • NHS - Customer Case Study

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2 Customer Videos

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Additional SMTP2GO Information & Resources

Read SMTP2GO Reviews, Testimonials & Customer References from 42 real SMTP2GO customers.

Browse SMTP2GO Case Studies, Customer Success Stories, & Customer References from 23 businesses that use SMTP2GO.

Watch SMTP2GO Customer Videos to learn why 2 businesses chose SMTP2GO.