Transactional Email Services

MailerSend vs MessageFlow

MailerSend and MessageFlow are email sending services for developers and businesses that send application and notification mail. MailerSend is built for developers who want an email API that parses inbound mail, with a free plan to start on. MessageFlow is built for companies that send alerts and campaigns together and need one platform for both. Developers and online stores suit MailerSend, while European retailers with mixed traffic suit MessageFlow.

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Pricing: Free 500 emails/mo; Hobby $6.30/mo for 5,000; Starter from $31.50/mo and Professional from $99/mo at 50,000 emails, billed yearly; Enterprise above 2M emails

MailerSend is an EU-hosted transactional email service with API and SMTP relay, inbound routing, webhooks, templates, SMS and WhatsApp add-ons and a free plan.

16 /19 features Full profile
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Pricing: Starter 89 EUR a month, 69 EUR for the first six months for new users; Prime 369 EUR; Enterprise on quote; 30-day trial.

MessageFlow is a European email, SMS and push platform from Vercom, with an email API, campaign tools and customer data stored in the EEA.

12 /19 features Full profile

Feature Comparison

Transactional Email Services features side-by-side

MailerSend
MailerSend 16/19 features
SMTP relay
Yes
REST sending API
Yes
Bulk and batch sending
Yes
Inbound email parsing
Yes
Separate message streams
No
Delivery event webhooks
Yes
Open and click tracking
Yes
Dedicated IP pools
Yes
Automated IP warm-up
Yes
Message content retention
Yes
Suppression list management
Yes
Server-side templates
Yes
Sandbox mode
No
Scheduled delivery
Yes
EU data residency
Yes
Bounce classification
Yes
Official client libraries
Yes
Pay-as-you-go billing
No
Message tagging and metadata
Yes
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MessageFlow
MessageFlow 12/19 features
SMTP relay
Yes
REST sending API
Yes
Bulk and batch sending
Yes
Inbound email parsing
No
Separate message streams
Yes
Delivery event webhooks
Yes
Open and click tracking
Yes
Dedicated IP pools
Yes
Automated IP warm-up
No
Message content retention
No
Suppression list management
Yes
Server-side templates
Yes
Sandbox mode
No
Scheduled delivery
No
EU data residency
Yes
Bounce classification
Yes
Official client libraries
No
Pay-as-you-go billing
No
Message tagging and metadata
Yes
No reviews yet

Pricing

MailerSend

Free 500 emails/mo; Hobby $6.30/mo for 5,000; Starter from $31.50/mo and Professional from $99/mo at 50,000 emails, billed yearly; Enterprise above 2M emails

MessageFlow

Starter 89 EUR a month, 69 EUR for the first six months for new users; Prime 369 EUR; Enterprise on quote; 30-day trial.

Which Should You Choose?

Choose MailerSend if you are a developer or store that needs to receive and parse inbound mail as well as send it. Choose MessageFlow if you send alerts and newsletters together and want them kept on separate streams. Vercom owns both products. MailerSend begins with a free plan and moves to monthly paid plans, and the top plans are quoted. MessageFlow starts at monthly subscriptions, and larger accounts negotiate a quote.

A developer wiring up password resets and receipts gets the most from MailerSend. It receives mail sent to a sender's domain, parses it and posts the result to the application, which suits turning inbound mail into support tickets. Vendor-maintained libraries cover the major languages, giving developers supported tools rather than community wrappers. Messages can also be queued for later delivery. Scope is the limit, because broadcast and newsletter sending live in MailerLite and MailerSend sits beside it.

Companies that run order alerts and newsletters side by side are the audience MessageFlow describes. It keeps transactional and broadcast traffic on separate streams, so one kind of send cannot hurt the reputation of the other. Mobile push sits beside email and SMS as its own channel, and campaign reports include a heat map of clicks. MessageFlow also has a reach limit, since text messages default to Polish numbers and other destinations are checked with sales before sending.

MailerSend describes a no-code course provider that uses it for confirmations and password resets. The vendor reports that deliverability is no longer a concern. One MessageFlow customer, a home decor retailer selling online and offline, switched text campaigns away from an overseas provider to lower cost. The retailer also sends email through the API at scale and uses RCS. The retailer's text campaigns converted well above the industry norm, according to the vendor.

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