Lumail vs SMTP2GO
Lumail
SMTP2GO
SMTP relay and email API
Lumail and SMTP2GO pricing and feature comparison
Free emails / month
Lumail
3,000
SMTP2GO
1,000
Unlimited subscribers · $0
$0
Paid entry
$20/month, 40,000 included, then $0.60/1,000
$15/month for 10,000 emails
Pricing basis
Unlimited subscribers; pricing follows email volume
Monthly sending allowance, not subscribers; overage billed per extra email
Automation
Graph workflows with triggers, branches, goals, exits, and A/B paths
None; no journey builder or subscriber lists
AI and developer access
ChatGPT OAuth, MCP, skills, CLI, SDK, REST API, and visual editor
Remote MCP that can call the API, plus an agent skill
Transactional email
Included through API, SMTP, SDK, CLI, and agent tools
Core product, via SMTP or REST API
Publishing surface
Capture pages and custom web domains; not a general website builder
API templates; no newsletter editor or list management
Choose Lumail if…
- You want campaigns, workflows, subscribers, and transactional email in one account
- You need a visual editor and workflows instead of sending from code
- You want 3,000 free emails a month and $0.60 per 1,000 past the included volume
Choose SMTP2GO if…
- SMTP or API delivery is all you need
- Your lists already live in your app or another tool
- You need subaccounts, optional SMS, or email archiving
Weighing more than two tools? Read the best SMTP2GO alternatives guide, which compares the options side by side.
Where SMTP2GO is strong
A real alternative, not a straw man.
SMTP2GO is an email delivery service with SMTP, a REST API, and optional SMS, priced by volume. It is not a newsletter or automation platform. People pick SMTP2GO when they need apps, agencies, and IT teams that need SMTP or API delivery with human support.
- SMTP and REST API with automatic SPF and DKIM and a delivery SLA
- Phone, chat, and ticket support on paid plans, plus agency subaccounts
- MCP server, an agent skill, and optional SMS
Don't trust the table. Run one journey.
Checklists lie by flattening the work. Build one real path: a trigger, a wait, a branch, a goal, an exit. Then open one subscriber and see what actually happened. That tells you more than any feature row.
- 1. Import a small, consented sample. Not the whole list.
- 2. Recreate one campaign and the audience it actually hits.
- 3. Publish one automation with a goal you can measure.
- 4. Fire a test and read every event on one person.
- 5. Compare the weekly work, not the setup afternoon.

Try it on a real send
Keep the whole list. Pay when you send.
3,000 emails free, no card. Rebuild one campaign, one workflow, and one transactional message before you move anyone. If it feels worse than SMTP2GO, stay.
The questions people actually ask
Is Lumail cheaper than SMTP2GO?
Sometimes. Lumail is $0 for 3,000 emails, then $20 for 40,000. SMTP2GO's number only makes sense after you know what they cap: contacts, seats, a daily send limit, or a feature they hide behind a paid plan. Read the honest take above, then price a normal month and a launch month on both pages.
What is the main difference between Lumail and SMTP2GO?
Choose SMTP2GO when you need reliable SMTP or API delivery, dedicated IPs, and phone support. Choose Lumail when newsletters, workflows, subscribers, and transactional email should live in one place agents can operate.
Can I migrate from SMTP2GO to Lumail?
Yes. Don't move the whole list on day one. Export a small consented sample, rebuild one campaign and one automation, authenticate your domain, then watch one subscriber go through the run. If that feels right, move the rest.