SMTP2GO vs SendGrid
A detailed comparison to help you choose between SMTP2GO and SendGrid.
Quick Verdict
4.2/5
SMTP2GO
93 reviews
4.3/5
SendGrid
166 reviews
SendGrid is rated higher (4.3 vs 4.2). SMTP2GO is an SMTP relay service with a 99.99% uptime guarantee. 1,000 free emails/month, detailed reporting, bounce management, and Australian-founded reliability focus. SendGrid by Twilio handles both transactional and marketing email at massive scale. REST API, SMTP relay, webhook events, and dedicated IP warming. Used by Uber, Airbnb, and Spotify.
SMTP2GO SMTP relay with 99.99% uptime guarantee | SendGrid Twilio's email API for developers at scale | |
|---|---|---|
| Overview | ||
| Rating | 4.2 (93 reviews) | 4.3 (166 reviews)✓ |
| Pricing model | freemium | freemium |
| Starting price | Free tier available | Free tier available |
| Best for | Small businesses wanting a reliable SMTP relay with a strong uptime guarantee and generous free tier | Developers building apps that send transactional and marketing email at scale via API |
| Tags | ||
| Tags | free tierapi access | free tierapi access |
| Visit SMTP2GO → | Visit SendGrid → | |
SMTP2GO
Pros
- + 99.99% uptime SLA
- + 1,000 free emails/month
- + Detailed reporting and bounce management
Cons
- - Less scalable than SendGrid at large volumes
- - Australian company — support timezone differences
SendGrid
Pros
- + Industry-standard email API
- + High volume sending — millions per day
- + 100 free emails/day forever
Cons
- - Customer support can be slow
- - Account suspension risk if complaint rates high
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