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Alternatives · Email Sending

SMTP.com alternatives

SMTP.com compared with 5 alternatives: SMTP2GO, Twilio SendGrid, Mailgun, Bird Email and Amazon SES.

SMTP.com is a paid product, starting at $25 per month for 50,000 emails. 3 of the 5 alternatives are free or have a free plan. 2 more offer a free trial.

5 tools · Listings checked up to Oct 18, 2026 · Where the facts come from

At a glance

ToolPriceFree planRuns on
SMTP.comThis toolFrom $25/moNoWeb
SMTP2GOFree plan · from $15/moYesWeb
Twilio SendGridFree trial · from $19.95/moTrial onlyWeb
MailgunFree plan · from $15/moYesWeb
Bird EmailFree plan · from $15/moYesWeb
Amazon SESFree trialTrial onlyWeb

Price against what you get

SMTP.com starts at $25 a month and scores 2.3 out of 4 on features, ease of use and platforms. 3 of the 4 alternatives on this chart score higher and start lower: Twilio SendGrid, Mailgun and Bird Email.

SMTP2GO starts lower without scoring higher.

Features, ease of use and platforms, averaged

C2.0B3.0A4.0$5$10$20$50More for lessCosts more, scores moreCosts less, scores lessCosts more, scores lessSMTP.comSMTP2GOTwilio SendGridMailgunBird Email

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
The full chart of email sending services, and the best at every price

How each one differs from SMTP.com

  1. 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. SMTP.com starts at $25 per month for 50,000 emails.
    • SMTP2GO has a free plan. SMTP.com does not.

    Suits: Small businesses sending app or website email at low volume

    SMTP2GO vs SMTP.comSMTP2GO pricing and details

  2. Twilio SendGrid

    Twilio's email API and SMTP service, priced by monthly email volume

    • Twilio SendGrid starts at $19.95 per month for 50,000 emails. SMTP.com starts at $25 per month for 50,000 emails.
    • Twilio SendGrid also covers email verification.

    Suits: Developers adding transactional email to an app

    Twilio SendGrid vs SMTP.comTwilio SendGrid pricing and details

  3. Mailgun

    Email API and SMTP relay for developers, with list validation

    • Mailgun starts at $15 per month for 10,000 emails. SMTP.com starts at $25 per month for 50,000 emails.
    • Mailgun has a free plan. SMTP.com does not.
    • Mailgun also covers email verification.

    Suits: Developers sending and receiving email from an app

    Mailgun vs SMTP.comMailgun pricing and details

  4. Bird Email

    SparkPost's successor: Bird's email API, paid from a prepaid balance

    • Bird Email starts at $15 per month, deposited to your Bird balance. SMTP.com starts at $25 per month for 50,000 emails.
    • Bird Email has a free plan. SMTP.com does not.
    • Bird Email also covers email campaigns.

    Suits: Existing SparkPost customers planning their next integration

    Bird Email vs SMTP.comBird Email pricing and details

  5. Amazon SES

    AWS email sending and receiving, paid per 1,000 emails

    • Amazon SES also covers email verification.

    Suits: Developers already running their apps on AWS

    Amazon SES vs SMTP.comAmazon SES pricing and details

Limits worth knowing in SMTP.com

  • There is no free plan or free trial; the smallest plan is $25 a month for 50,000 emails.
  • Reputation Defender and Insight Engine each cost 20% of the plan price; on Essential that is $5 a month each.
  • Essential sends from a shared IP; a dedicated IP starts with the $80 Starter plan.
SMTP.com pricing and details

Common questions

What are the alternatives to SMTP.com?

The alternatives to SMTP.com in this directory are SMTP2GO, Twilio SendGrid, Mailgun, Bird Email and Amazon SES. Each one has a side-by-side comparison with SMTP.com.

Is there a free alternative to SMTP.com?

Yes. SMTP2GO, Mailgun and Bird Email have a free plan alongside paid ones.

When were these prices checked?

Every listing on this page was checked on Oct 18, 2026, against the pages it cites. Vendors change prices without notice, so confirm on their site before you buy.