PriceIndex
S

email API pricing

by SMTP.com

SMTP.com pricing, plans & costs

Starts at
$25/mo
Free plan
No
Plans
6
Billed by
emails

Plans at a glance

SMTP.com plans and prices

Checked against the official pricing page · 2026-10-08

Cost calculator

SMTP.com cost calculator

100K

Standard estimate

$75/mo

$25/mo, 50K emails included, then $0.001 per email

Estimate covers the main usage meter only; taxes and add-ons are excluded.

SMTP.com plans at 100K

vs alternatives (cheapest plan)

How much does SMTP.com cost per month?

10K
Standard
$25
ESSENTIAL
Custom
STARTER
Custom
GROWTH
Custom
BUSINESS
Custom
HIGH VOLUME SENDERS
Custom
50K
Standard
$25
ESSENTIAL
Custom
STARTER
Custom
GROWTH
Custom
BUSINESS
Custom
HIGH VOLUME SENDERS
Custom
100K
Standard
$75
ESSENTIAL
Custom
STARTER
Custom
GROWTH
Custom
BUSINESS
Custom
HIGH VOLUME SENDERS
Custom
500K
Standard
$475
ESSENTIAL
Custom
STARTER
Custom
GROWTH
Custom
BUSINESS
Custom
HIGH VOLUME SENDERS
Custom
2M
Standard
$1,975
ESSENTIAL
Custom
STARTER
Custom
GROWTH
Custom
BUSINESS
Custom
HIGH VOLUME SENDERS
Custom

Cheapest plan per volume highlighted. "—" means the plan does not allow that volume.

How SMTP.com pricing works

SMTP.com offers tiered monthly email relay plans based on monthly email volume, starting at $25 per month for 50,000 emails up to $500 per month for 1,000,000 emails, alongside custom enterprise pricing for high volume senders sending at least 250 million emails per month. Optional add-ons such as Insight Engine and Reputation Defender are available at 20% of the plan cost each.

  • In addition to credit cards, SMTP accepts payment via PayPal.
  • The Insight Engine is an optional add-on available on all plans at 20% of your plan cost.
  • Reputation Defender is an optional add-on available on all plans at 20% of your plan cost.

SMTP.com is best for

SMTP.com add-ons and extra charges

Insight Engine

20% of your plan cost

Reputation Defender

20% of your plan cost

SMTP.com alternatives

Mailgun

$100/mo at 100K

Email validation · Inbound routing · EU region

SMTP.com vs Mailgun
SendGrid

$70/mo at 100K

Marketing + transactional · Mature deliverability

SMTP.com vs SendGrid
SparkPost

$70/mo at 100K

Deliverability analytics · Enterprise scale · Predictive signals

SMTP.com vs SparkPost

SMTP.com pricing FAQ

Source: official SMTP.com pricing page. Verified 2026-10-08. Prices change — confirm before buying.