Alternatives · Email Sending
turboSMTP alternatives
As of Nov 13, 2026, the best turboSMTP alternative for most people is Mailjet (2.4 GPA), third in our ranking of email sending services. The best free one is Forward Email (2.8 GPA).
turboSMTP compared with 7 alternatives: SMTP2GO, SMTP.com, Mailjet, Elastic Email, AuthSMTP and 2 more.
turboSMTP has a free plan. Paid plans start at $12.46 per month for 15,000 emails, billed annually ($14.95 monthly). 4 of the 7 alternatives are free or have a free plan. One more offers a free trial.
Listings checked up to Nov 12, 2026 · Where the facts come from
Black Friday: is there a turboSMTP sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| turboSMTPThis tool | Free plan · from $12.46/mo | Yes | Web |
| SMTP2GO | Free plan · from $15/mo | Yes | Web |
| SMTP.com | From $25/mo | No | Web |
| Mailjet | Free plan · from $8.10/mo | Yes | Web |
| Elastic Email | Free plan · from $19/mo | Yes | Web |
| AuthSMTP | From $72/yr | No | Web |
| Forward Email | Free plan · from $3/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| KingSMTP | Free trial · from $20/mo | Trial only | Web |
Price against what you get
turboSMTP starts at $12.46 a month and scores 2.0 out of 4 on features, ease of use and platforms. 2 of the 7 alternatives on this chart score higher and start lower: Mailjet and Forward Email.
SMTP2GO, SMTP.com and Elastic Email score higher without starting lower. AuthSMTP starts lower without scoring higher.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from turboSMTP
SMTP2GO
SMTP relay and email API priced by emails a month, with a free plan
- SMTP2GO starts at $15 per month for 10,000 emails, billed monthly.
- SMTP2GO does not cover email verification, which turboSMTP does.
Suits: Small businesses sending app or website email at low volume
SMTP.com
SMTP relay and email API sold in monthly volume plans from 50,000
- SMTP.com starts at $25 per month for 50,000 emails.
- SMTP.com has no free plan, unlike turboSMTP.
- SMTP.com does not cover email verification, which turboSMTP does.
Suits: Senders who already need 50,000 emails a month or more
Mailjet
Email API, SMTP relay and campaign editor on one plan priced by volume
- Mailjet starts at $8.10 per month for 8,000 emails, billed annually ($9 billed monthly).
- Mailjet also covers marketing automation and email campaigns.
Suits: Teams sending app email and newsletters from one account
Elastic Email
Low-cost email API and SMTP relay priced by monthly email volume
- Elastic Email starts at $19 per month for 50,000 emails.
- Elastic Email also covers email campaigns.
Suits: Price-conscious senders of 50,000 emails a month or more
AuthSMTP
Authenticated outgoing SMTP relay, billed by the year
- AuthSMTP starts at $72 per year for 2,000 emails a month.
- AuthSMTP has no free plan, unlike turboSMTP.
- AuthSMTP does not cover email verification, which turboSMTP does.
Suits: Small senders who want a low yearly price for an SMTP relay
Forward Email
Open-source email forwarding and hosting for custom domains
- Forward Email starts at $3 per month for unlimited domains.
- Forward Email also lists macOS, Windows, Linux, iOS and Android apps.
- Forward Email is open source and self-hostable, according to its own site.
- Forward Email does not cover email verification and transactional email, which turboSMTP does.
Suits: People who want email on their own domain without paying per mailbox
KingSMTP
SMTP relay you can pay for in crypto, with no KYC
- KingSMTP starts at $20 per month for up to 20,000 emails.
- KingSMTP has no free plan, only a free trial, unlike turboSMTP.
- KingSMTP does not cover email verification, which turboSMTP does.
Suits: Senders who want to pay in cryptocurrency
Limits worth knowing in turboSMTP
- A dedicated IP, webhooks and phone support are Pro features; Basic and Free have none of them.
- Pay-as-you-go prepaid packages run from 50,000 emails for $49 to 1,000,000 for $790, and credits expire after one year.
- Listed prices exclude VAT where it applies, and Enterprise is billed the month after on usage.
- Pro starts at 100,000 emails a month, so a small sender wanting a dedicated IP still pays $79.95 monthly.
Common questions
What are the alternatives to turboSMTP?
The alternatives to turboSMTP in this directory are SMTP2GO, SMTP.com, Mailjet, Elastic Email, AuthSMTP, Forward Email and KingSMTP. Each one has a side-by-side comparison with turboSMTP.
Is there a free alternative to turboSMTP?
Yes. SMTP2GO, Mailjet, Elastic Email and Forward Email have a free plan alongside paid ones.
Which turboSMTP alternatives work on Windows?
The turboSMTP listing does not include a Windows app. Forward Email lists one.
Which turboSMTP alternatives work on macOS?
The turboSMTP listing does not include a macOS app. Forward Email lists one.
Is there an open-source alternative to turboSMTP?
Forward Email is described as open source on its own site.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 18, 2026 to Nov 12, 2026. Vendors change prices without notice, so confirm on their site before you buy.