SMTP2GO

Outgoing SMTP relay and email API with delivery tracking, a free plan and round-the-clock support.

Free plan + paidTransactional email services

Updated Nov 8, 2026 · AppBreakup editorial · Web

Visit SMTP2GO See 6 alternatives

Is SMTP2GO free?

Free plan, plus paid plans

Starting price:: $10 a month billed annually ($100/year), 10,000 emails
Free plan:: Yes, up to 1,000 emails a month

Checked on SMTP2GO's site Nov 8, 2026

Full SMTP2GO pricing and plans

Switch from SMTP2GO to

All 6

Mailgun
Starting paid plan: $35/month for 50,000 emails
Twilio SendGrid
Paid
Postmark
Starting price: $15 a month (Basic, 10,000 emails)

Verified facts: 7 of 7
Alternatives ranked: 6
Approved reviews: 0
Visits sent from here: 0

About SMTP2GO

SMTP2GO is an outgoing mail relay: you point an app, website, server, printer or desktop mail client at its SMTP servers or its API, and it delivers the email and tracks what happens to it. It sets up SPF and DKIM for your domain, watches for blocklisting and spam traps, and shows bounces, spam complaints, opens and unsubscribes in its reports, so you can see why a message didn't arrive. Mail is routed across servers in several regions with built-in redundancy. It accepts transactional, general and marketing email, and offers subaccounts, which makes it popular with IT service providers managing many clients; SMS sending is also available. A free plan covers 1,000 emails a month with no card, and paid tiers are priced by monthly volume, with dedicated IPs on higher plans and a 30-day money-back promise. It suits small businesses and IT teams who want dependable delivery without running a mail server, more than developers chasing the slickest API.

Best for: Small businesses, MSPs and IT admins who need a reliable SMTP relay for apps, servers and devices.

SMTP2GO pricing (checked Nov 8, 2026)

Each line is quoted from SMTP2GO's own site, with the page it came from.

Plan or term	What it says	Checked	Source
Free plan	Yes, up to 1,000 emails a month	Nov 8, 2026	smtp2go.com
Starting price	$10 a month billed annually ($100/year), 10,000 emails	Nov 8, 2026	smtp2go.com
Professional plan	$75 a month billed annually ($750/year), 100,000 emails	Nov 8, 2026	smtp2go.com

Full SMTP2GO pricing and cheaper alternatives

What works

Permanent free plan for low volumes
SPF and DKIM handled automatically
Subaccounts suited to managed service providers
Ticket, chat and phone support on paid plans

Why people leave

Free plan caps at 1,000 emails a month
Phone and chat support are limited to 14 days on the free plan
Signup rejects addresses at public domains like Gmail

SMTP2GO vs Mailgun, Twilio SendGrid and Postmark

From each app's listing and the prices verified on its own site. A dash means we haven't verified it yet.

Attribute	SMTP2GO	Mailgun	Twilio SendGrid	Postmark
Pricing	Free plan + paid	Free plan + paid	Paid	Free plan + paid
Verified price	$10 a month billed annually ($100/year), 10,000 emails	$35/month for 50,000 emails	—	$15 a month (Basic, 10,000 emails)
Free plan	Yes, up to 1,000 emails a month	Yes, 100 emails/day	No	Yes, 100 emails a month
Open source	No	No	No	No
Self-hostable	No	No	No	No
Platforms	Web	Web	Web	Web

Top SMTP2GO alternatives

See all 6

1
Mailgun
A richer developer API with inbound routing and email validation for app-heavy use.
68.8
2
Twilio SendGrid
Scales to very high volumes and adds marketing campaign tools alongside the API.
64.8
3
Postmark
Known for fast transactional delivery and very clear logs, for app email specifically.
61.8
4
ZeptoMail (Zoho CPaaS)
Pay-as-you-go credits instead of a monthly plan, which is cheaper for uneven volumes.
59.4
5
Resend
A modern developer API with React Email templates and a free tier.
55.9

Why people left SMTP2GO

In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.

No switching stories yet. If you moved away from SMTP2GO, review the app you switched to and tell us why.

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SMTP2GO: common questions

What is SMTP2GO?

SMTP2GO: Outgoing SMTP relay and email API with delivery tracking, a free plan and round-the-clock support. Best for small businesses, MSPs and IT admins who need a reliable SMTP relay for apps, servers and devices. Available for Web.

Is SMTP2GO free?

SMTP2GO has a free plan and paid plans. Free plan: Yes, up to 1,000 emails a month (checked on SMTP2GO's own site).

How much does SMTP2GO cost?

SMTP2GO is free with paid plans. Free plan: Yes, up to 1,000 emails a month; Starting price: $10 a month billed annually ($100/year), 10,000 emails; Professional plan: $75 a month billed annually ($750/year), 100,000 emails. Checked on SMTP2GO's own site, November 2026.

Does SMTP2GO have a free trial or refund?

Refund guarantee: 30 days. Source: SMTP2GO's own site.

Is SMTP2GO open source?

No, SMTP2GO is not open source.

What platforms does SMTP2GO run on?

SMTP2GO is available for Web.

What are the best alternatives to SMTP2GO?

The highest-ranked SMTP2GO alternatives right now are Mailgun, Twilio SendGrid and Postmark. See the full ranked list for pricing, platforms and verified facts.

SMTP2GO vs Mailgun: what's the difference?

Both SMTP2GO and Mailgun are free with paid plans. Verified prices: SMTP2GO $10 a month billed annually ($100/year), 10,000 emails, Mailgun $35/month for 50,000 emails. Both run on Web.

See all 6 SMTP2GO alternatives

SMTP2GO facts

7 of 7 verified

Free plan: Yes, up to 1,000 emails a month; Checked Nov 8, 2026smtp2go.com(opens source in a new tab); “free plan for up to 1,000 emails per month.”
Refund guarantee: 30 days; Checked Nov 8, 2026smtp2go.com(opens source in a new tab); “within 30 days, we’ll give you a full refund.”
Customers: 40,000+ businesses; Checked Nov 8, 2026smtp2go.com(opens source in a new tab); “Over 40,000 businesses worldwide across all sorts of industries enjoy rock-solid email delivery with SMTP2GO.”
SPF/DKIM: Automatic; Checked Nov 8, 2026smtp2go.com(opens source in a new tab); “Stay Out of Spam Folders SPF and DKIM are handled automatically for your domain names, no prior knowledge required.”
Infrastructure: Multi data center, redundant; Checked Nov 8, 2026smtp2go.com(opens source in a new tab); “No more downtime Our redundant, multi data center infrastructure means emails will still be sent even during a major internet outage.”
Starting price: $10 a month billed annually ($100/year), 10,000 emails; Checked Nov 8, 2026smtp2go.com(opens source in a new tab); “Starter $ 10 /mo $ 100 /year Good for testing or for sending small numbers of emails.”
Professional plan: $75 a month billed annually ($750/year), 100,000 emails; Checked Nov 8, 2026smtp2go.com(opens source in a new tab); “Professional $ 75 /mo $ 750 /year”