---
description: Page 5 - Compare the best Transactional Email Software in the UK. Capterra offers the most comprehensive reviews from verified users, prices, and a complete description of all relevant features. Use our filters to find the best rated software for your business needs.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Page 5 - Transactional Email Software - Price Comparison & Reviews - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Transactional Email Software](https://www.capterra.co.uk/directory/31564/transactional-email/software) > [Page 5](https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5)

# Transactional Email Software

Canonical: https://www.capterra.co.uk/directory/31564/transactional-email/software

Page: 5 / 5\
Prev: [Previous page](https://www.capterra.co.uk/directory/31564/transactional-email/software?page=4)

> Transactional Email software helps businesses create and monitor personalized action-triggered emails such as membership renewal notices, email receipts, account status messages, order confirmations, password resets, shipping notifications, etc.

-----

## Products

1. [MailApi](https://www.capterra.co.uk/software/1082754/MailApi) (0 reviews) — MailApi is email management software offering developer-friendly tools for sending, verifying, and automating email communications.
2. [Lettr](https://www.capterra.co.uk/software/1086005/Lettr) (0 reviews) — Transactional email platform with API + SMTP, webhooks, analytics, and a visual template editor with version control.
3. [Mission Inbox](https://www.capterra.co.uk/software/1088711/Mission-Inbox) (0 reviews) — Email infrastructure tool using isolated servers with dedicated IPs fordeliverability, ensuring messages reach the primary inbox.

-----

Page: 5 / 5\
Prev: [Previous page](https://www.capterra.co.uk/directory/31564/transactional-email/software?page=4)

## Related Categories

- [Campaign Management Software](https://www.capterra.co.uk/directory/30012/campaign-management/software)
- [Email Marketing Software](https://www.capterra.co.uk/directory/30013/email-marketing/software)
- [All-in-One Marketing Platform Software](https://www.capterra.co.uk/directory/32155/all-in-one-marketing/software)
- [Email Management Software](https://www.capterra.co.uk/directory/30553/email-management/software)
- [SMS Marketing Software](https://www.capterra.co.uk/directory/30842/sms-marketing/software)

## Links

- [View on Capterra](https://www.capterra.co.uk/directory/31564/transactional-email/software)
- [All Categories](https://www.capterra.co.uk/directory)

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":"Capterra UK","address":{"@type":"PostalAddress","addressLocality":"Egham","addressRegion":"ENG","postalCode":"TW20 9AH","streetAddress":"Tamesis, The Glanty, Staines-upon-Thames Egham TW20 9AH United Kingdom"},"description":"Capterra UK helps millions of people find the best business software. With software reviews, ratings, infographics, and the most comprehensive list of business software.","email":"info@capterra.co.uk","url":"https://www.capterra.co.uk/","logo":"https://dm-localsites-assets-prod.imgix.net/images/capterra/logo-a9b3b18653bd44e574e5108c22ab4d3c.svg","@id":"https://www.capterra.co.uk/#organization","@type":"Organization","parentOrganization":"Gartner, Inc.","sameAs":["https://twitter.com/Capterra","https://www.facebook.com/Capterra/","https://www.linkedin.com/company/capterra/","https://www.youtube.com/channel/UCEt7vQSPiPlPAblHdhJAqnA"]},{"name":"Capterra UK","url":"https://www.capterra.co.uk/","@id":"https://www.capterra.co.uk/#website","@type":"WebSite","publisher":{"@id":"https://www.capterra.co.uk/#organization"},"potentialAction":{"query":"required","target":"https://www.capterra.co.uk/search/?q={search_term_string}","@type":"SearchAction","query-input":"required name=search_term_string"}},{"name":"Transactional Email Software","description":"Page 5 - Compare the best Transactional Email Software in the UK. Capterra offers the most comprehensive reviews from verified users, prices, and a complete description of all relevant features. Use our filters to find the best rated software for your business needs.","url":"https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5","about":{"@id":"https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5#itemlist"},"breadcrumb":{"@id":"https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5#breadcrumblist"},"@id":"https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5#webpage","@type":["WebPage","CollectionPage"],"mainEntity":{"@id":"https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5#itemlist"},"isPartOf":{"@id":"https://www.capterra.co.uk/#website"},"inLanguage":"en-GB","publisher":{"@id":"https://www.capterra.co.uk/#organization"}},{"@id":"https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5#breadcrumblist","@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"Transactional Email Software","position":2,"item":"https://www.capterra.co.uk/directory/31564/transactional-email/software","@type":"ListItem"},{"name":"Page 5","position":3,"item":"https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5","@type":"ListItem"}]}]}
</script><script type="application/ld+json">
  {"name":"Page 5 - Transactional Email Software - Price Comparison &amp; Reviews - Capterra UK 2026","@context":"https://schema.org","@id":"https://www.capterra.co.uk/directory/31564/transactional-email/software?page=5#itemlist","@type":"ItemList","itemListElement":[{"name":"MailApi","position":1,"description":"MailApi is an email management software offering tools for sending and verifying emails. It includes a Transactional Email API for confirmations and notifications, Email Verification to reduce bounces, and Email Templates for consistent branding. \n\nFeatures like Email Storage ensure secure email history management, while Email Automation enables triggered workflows, and Email Broadcast allows messages to reach multiple recipients. \n\nThe platform provides a developer-friendly API for easy integration, AI-powered template generation, and a drag-and-drop editor to simplify email creation without HTML coding. \n\nMailApi offers a free tier for testing, with scalable paid plans for growing needs. It securely stores emails, ensuring accessibility and helping organizations maintain communication records.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/9b93be35-1080-4e39-bffe-99850b237d30.png","url":"https://www.capterra.co.uk/software/1082754/MailApi","@type":"ListItem"},{"name":"Lettr","position":2,"description":"Lettr is a transactional email platform for teams that want reliable sending without building and maintaining email infrastructure. Send via HTTP API or SMTP relay, track delivery and engagement with real-time events (delivered, bounced, delayed, opened, clicked), and debug issues with searchable logs and webhooks.\n\nLettr combines infrastructure with team workflow: developers integrate once, then product/design/marketing can manage transactional templates in a visual editor with version history and a draft/publish workflow—so routine edits don’t require dev tickets or redeploys. Lettr supports dynamic placeholders, HTML import, and multi-language templates.\n\nFor deliverability and brand control, Lettr supports custom domains for tracking links and hosted assets, plus standard sending domain configuration. Enterprise options include dedicated IP pools and custom rate limits.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/65e98b47-b36d-4d50-9ef5-b2b317fb471e.png","url":"https://www.capterra.co.uk/software/1086005/Lettr","@type":"ListItem"},{"name":"Mission Inbox","position":3,"description":"Mission Inbox is an email infrastructure platform using isolated servers with dedicated IPs to ensure messages reach the primary inbox. It separates email traffic by workload, sales, marketing, financial, and transactional, so high-volume campaigns don’t disrupt critical communications. Each workload runs on its own server instance with dedicated IPs. The platform features three core components: the Inbox Layer for quick setup and automatic DNS configuration (SPF, DKIM, DMARC), the AI-powered Pre-send Shield to scan outgoing emails for spam triggers and structural issues, and the OBM Engine for reputation management, bounce handling, and deliverability analytics. Mission Inbox supports SMTP and RESTful API integration with SDKs, handling email volumes. Automatic DNS updates simplify domain authentication, while real-time webhooks and analytics integrate seamlessly into existing tech stacks.","image":"https://gdm-catalog-fmapi-prod.imgix.net/ProductLogo/dbdf4861-2006-403d-ac3f-65a0400a1270.jpg","url":"https://www.capterra.co.uk/software/1088711/Mission-Inbox","@type":"ListItem"}],"numberOfItems":3}
</script>