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AuthSMTP pricing

#14 of 26 in SMTP Relay Services

AuthSMTP costs from $72/yr on its cheapest paid plan; 12 plans in all, as listed on authsmtp.com — prices checked 21 Sep 2026.

7.1/10Editor score
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AuthSMTP pricing at a glance

Plans Paid No free plan — trial or paid only. Prices checked 21 Sep 2026.
See plans on authsmtp.com

AuthSMTP plans & pricing

PlanPriceKey limits
AuthSMTP 2$72/yr per year
  • 2,000 emails per month
  • 600 MB data per month
  • 20 from addresses/domains
AuthSMTP 4$108/yr per year
  • 4,000 emails per month
  • 1.20 GB data per month
  • 40 from addresses/domains
AuthSMTP 6$144/yr per year
  • 6,000 emails per month
  • 1.80 GB data per month
  • 60 from addresses/domains
AuthSMTP 8$180/yr per year
  • 8,000 emails per month
  • 2.40 GB data per month
AuthSMTP 10$216/yr per year
  • 10,000 emails per month
  • 3.00 GB data per month
AuthSMTP 15$276/yr per year
  • 15,000 emails per month
  • 4.50 GB data per month
AuthSMTP 20$336/yr per year
  • 20,000 emails per month
  • 6.00 GB data per month
AuthSMTP 50$450/yr per year
  • 50,000 emails per month
  • 15.00 GB data per month
AuthSMTP 100$870/yr per year
  • 100,000 emails per month
  • 30.00 GB data per month
AuthSMTP 150$1,290/yr per year
  • 150,000 emails per month
  • 45.00 GB data per month
AuthSMTP 200$1,710/yr per year
  • 200,000 emails per month
  • 60.00 GB data per month
AuthSMTP 250$1,950/yr per year
  • 250,000 emails per month
  • 75.00 GB data per month

Prices as published by the vendor on authsmtp.com, checked 21 Sep 2026; taxes and regional pricing may differ. We do not change a plan's price or its limits — this table is what the vendor's own pricing page said on that date.

What the price includes

  • Money-back guarantee
    14 days
  • Built for
    Solo, Small business, Mid-market, Enterprise
  • Free plan
    No
  • Paid from
    $72/yr
  • Monthly send limit
    2000 emails/mo

Our full AuthSMTP verdict, fact sheet and score →

Prices checked by iTechGuides Editors · Editorial team · Updated Oct 2026

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