Inbound vs MailPace (2026): which should you pick?

Pick Inbound if

• Fits if your app needs to receive and answer incoming email
• Works for developers who want email handled by webhook

Look elsewhere if

• Skip it if you want to try it free, since no free plan or trial is listed
• Not for you if you send marketing or bulk email, which the page does not describe
• Tight if you run many domains, with 50 on the $15 plan and $3.50 for each extra
• Watch out: extra capacity is $16 per 50,000 received plus 50,000 sent a month

Pick MailPace if

• Fits if you want your mail handled in the EU with no open tracking
• Works for Rails, Laravel or Node apps that want one flat plan

Look elsewhere if

• Skip it if you need a dedicated IP, as there is no such tier
• Watch out: received emails count toward the monthly volume along with sent ones
• Tight if you want a free plan, because 100 emails a month is given only on request
• Watch out: email content is kept for 30 days unless you ask for longer
• Not for you if you want open and click tracking, which it leaves out

Inbound

• There is no free plan or trial listed.
• Extra domains cost $3.50 per domain per month.
• Extra capacity is $16 per 50,000 received plus 50,000 sent a month.
• The product centers on receiving and replying; the pricing page does not describe bulk or marketing sending.

MailPace

• There is one paid plan, so there is no tier with a dedicated IP address.
• Received emails count toward the monthly volume, as well as sent ones.
• The free plan of up to 100 emails a month is not advertised; the pricing page says to email the company.
• Email content is kept for 30 days, and a longer period has to be requested.

Inbound

Email to webhook

Point MX records at the service and received mail is delivered as parsed JSON.

Address routing

Route specific addresses or a catch-all to different endpoints.

Threaded replies

Reply to a received message in the same thread from the API.

API and CLI

One API and a command-line tool cover receiving, parsing and replying.

Spam filtering

Choose to reject, flag or accept mail marked as spam.

Failed delivery retries

Failed webhook deliveries show in logs and can be retried.

MailPace

HTTP API and SMTP server

Mail can be sent through a JSON HTTPS API or an SMTP server, with client libraries listed for Rails, Laravel, Node.js, Python, Go and more.

Inbound email

Incoming mail is received over SMTP and converted into HTTP webhooks that an application can process.

Idempotent requests

A request can carry an idempotency ID, so a retry does not send the same message twice.

No open or click tracking

MailPace says it never tracks email opens or clicks. It reports delivery acceptance rates instead.

Bounce and blocklist handling

Bounces are tracked automatically and bounced addresses are kept on a blocklist, with anti-spam checks on outgoing mail.

Inbound

• Default$9

  per month for up to 5,000 emails

  Basic support, with unlimited mailboxes.

• Pro$15

  per month for up to 50,000 emails

  Up to 50 domains.

• Growth$39

  per month for up to 100,000 emails

  Up to 300 domains.

• Scale$79

  per month for up to 200,000 emails

  Unlimited domains.

MailPace

• Pay as you grow$10

  per month for the first 10,000 emails sent and received

  One plan with every feature included. The price follows monthly volume, set on a slider from 100 to 1,000,000 emails; extra emails are added to the bill.