Lettr vs SMTP2GO

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Lettr

See full pricing history

USD · US · source: lettr.com

Plan	Pricing	Charged by	Offer type
Free	Free $0 /mo	Flat	Standalone · Free
Pro	USD 15 monthly $15 /mo	Flat	Standalone · Fixed
Business	USD 110 monthly $110 /mo	Flat	Standalone · Fixed
Enterprise	Contact sales Contact sales	Flat	Standalone · Contact sales

SMTP2GO

See full pricing history

USD · US · source: www.smtp2go.com

Plan	Pricing	Charged by	Offer type
Free	Free Get started with our free plan for up to 1,000 emails per month. Sign Up Free No credit card required	Flat	Standalone · Free
Starter	USD 10 monthly · USD 8.33 / month with annual commitment $ 10 /mo $ 100 /year Extra emails: $1 / thousand	Flat · /mo	Standalone · Fixed
Professional Highlighted	USD 75 monthly · USD 62.5 / month with annual commitment $ 75 /mo $ 750 /year Extra emails: $0.85 / thousand	Flat · /mo	Standalone · Fixed
Premier Custom	Contact sales Custom	Flat	Standalone · Contact sales

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Lettr

Free

Highlights Monthly emails: 3,000

Included
Highlights Sending domains: 1

Included
Highlights Data retention: 7 days

Included

Pro

Highlights Monthly emails: 50,000

Included
Highlights Sending domains: 10

Included
Highlights Data retention: 30 days

Included

Business

Highlights Monthly emails: 200,000

Included
Highlights Sending domains: Unlimited

Included
Highlights Dedicated IPs: Add-on

Included

Enterprise

Highlights Monthly emails: Unlimited

Included
Highlights SSO/SAML: Included
Highlights SLA guarantee: Included

SMTP2GO

Free

Highlights Emails per month: 1,000

Included
Highlights Support: Limited to 14 days

Limited

Starter

Highlights 10,000 emails/mo: Included
Highlights 30 days of email reporting: Included
Highlights Ticket/chat/phone support: Included
Highlights Subaccount management: Included
Highlights SMS messaging: Included
Highlights Extra emails: $1 / thousand

Included

Professional

Highlights 100,000 emails/mo: Included
Highlights 30 days of email reporting: Included
Highlights Ticket/chat/phone support: Included
Highlights Subaccount management: Included
Highlights Dedicated IP address: Included
Highlights Email testing tools: Included
Highlights SMS messaging: Included
Highlights Extra emails: $0.85 / thousand

Included

Premier Custom

Highlights Over 3,000,000 emails/mo: Included
Highlights 30 days of email reporting: Included
Highlights Ticket/chat/phone support: Included
Highlights Subaccount management: Included
Highlights Dedicated IP address: Included
Highlights Email testing tools: Included
Highlights SMS messaging: Included
Highlights Personalized setup & support: Included
Highlights Extra emails: available

Included

How their prices changed

Each date shows when a public price was observed, not when it took effect. An archived region or currency can differ, so a currency change is not necessarily a price increase.

Lettr

August 27, 2026
Official pricing page
- Free: Free
- Pro: USD 15 monthly
- Business: USD 110 monthly
- Enterprise: Contact sales

SMTP2GO

September 21, 2026
Official pricing page
- Free: Free
- Starter: USD 10 monthly · USD 8.33 / month with annual commitment
- Professional: USD 75 monthly · USD 62.5 / month with annual commitment
- Premier Custom: Contact sales
August 27, 2026
Official pricing page
- Starter: USD 10 monthly
- Professional: USD 75 monthly
- Free: Free