SMTP relay and email API with monthly sending allowances.

What is SMTP2GO?
SMTP2GO delivers email for applications and systems through SMTP or an email API. Plans are based on monthly message volume. Paid plans can extend their included allowance with overage sending.
The free plan has a daily cap in addition to its monthly limit. New paid accounts may initially have a lower daily allowance while they are reviewed. Verified sender domains and approved account limits affect practical delivery capacity.
Official details: https://www.smtp2go.com/pricing/ ; https://support.smtp2go.com/hc/en-gb/articles/360023547593-Email-Overage
Pricing: Free and paid volume-based plans. Paid overages can extend sending to three times the included monthly allowance, subject to account limits. Pricing checked October 26, 2026.
Features
- SMTP relay
- Email API
- Monthly email allowances
- Paid overage sending
FAQs
Common questions about SMTP2GO
How much can a paid plan send above its allowance?
Do new accounts have immediate full sending limits?
Insights
Traffic and momentum for SMTP2GO
What are alternatives to SMTP2GO?
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