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Compare SMTP services with our interactive tool.
US, EU, Aus/NZ, Singapore
Spam filter tests, screenshot tests and inbox preview
Up to 5 years
US, EU
Customers with paid support plans
100 emails per day
US, EU
No email testing
12 months
UK
No email testing
Canada
No email testing
US, EU
A/B testing via API
US, EU
A/B testing
US, EU
No email testing
US
No spam filter testing
Premium plan only
US
Spam score testing
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