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  2. SMTP

Apps with 'SMTP' feature

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  • Geary

    Geary is an email application built around conversations, for the GNOME 3 desktop.
    • Free • Open Source
    • Linux
    • Chrome OS
    • BSD
    • GNOME
    ▼
    • Multiple Account support
    • Night mode/Dark Theme
    • Gmail integration
    • SMTP
    • Support for IMAP
    • Conversational email approach
    • Organize mails
    • Labels for content
    • Spam filtering
    ▼
  • Fastmail

    Email, calendars, and contacts to highest standards of security, privacy and reliability.
    show more ▾
    • Paid
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    ▼
    • File Storage
    • Ad-free
    • Integrated Spam Protection
    • Support for Aliases
    • POP3 Support
    • CardDAV
    • CalDAV
    • Contacts
    • Calendar
    • SMTP
    ▼


  • Mailfence

    Mailfence is a free secure and private mail service, that provides an end-to-end encrypted email.
    show more ▾
    • Freemium
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    ▼
    • Calendar integration
    • Digital Signage
    • Support for IMAP
    • POP3 Support
    • Privacy focused
    • Encryption
    • Encrypted Email
    • Exchange
    • Private key storage
    • SMTP
    ▼
  • Sendinblue

    Easily manage your marketing automation, email and SMS marketing campaigns, and transactional messaging all in one simple and powerful platform.
    show more ▾
    • Freemium
    • Online
    ▼
    • Email marketing automation
    • Email deliverability
    • Transactional SMS
    • Transactional Email
    • Email tracking
    • SMTP
    • Wordpress integration
    • WooCommerce Integration
    • SMS API
    • Email api
    ▼
  • hMail Server

    hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.
    • Free • Open Source
    • Windows
    ▼
    • Convert images to PDF
    • SMTP integration
    • POP3 Support
    • Support for IMAP
    • SMTP
    • Email Server
    ▼
  • Sendgrid

    Scalable email delivery for transactional emailSendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve...
    • Freemium
    • Online
    ▼
    • SMTP
    • Api
    • Email tracking
    ▼
  • Mailgun

    Mailgun is email automation for developers. Use our REST APIs to effortlessly send, receive and track email from your website or application.
    show more ▾
    • Paid
    • Online
    ▼
    • REST API
    • SMTP
    • Pricing per email sent
    ▼
  • MailHog

    MailHog is an email testing tool inspired by MailCatcher, but easier to install.
    • Free • Open Source
    • Mac
    • Windows
    • Linux
    • Docker
    ▼
    • Email Forwarding
    • SMTP
    • Portable
    ▼
  • Squirrelmail

    SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.
    • Free • Open Source
    • Self-Hosted
    • PHP
    ▼
    • SMTP
    • Exchange
    • On-premises software
    ▼
  • Becky! Internet Mail

    Becky! Internet Mail is an email client for Windows OS. Becky! Internet Mail supports POP3, IMAP and S/MIME as well as https://alternativeto.
    show more ▾
    • Paid
    • Windows
    • S/MIME
    • OpenPGP
    ▼
    • POP3 Support
    • SMTP
    • Portable
    ▼
  • VFEmail

    Free email with privacy and security.
    No screenshots yet
    • Freemium
    • Online
    ▼
    • Support for IMAP
    • POP3 Support
    • SMTP
    • Gpg encryption
    • Calendar
    • PGP Encryption
    • Notetaking
    ▼
  • OpenSMTPD

    OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions.
    No screenshots yet
    • Free • Open Source
    • Linux
    • BSD
    • Self-Hosted
    ▼
    • SMTP
    ▼
  • Mailjet

    Mailjet is an email service provider that works with brands like Microsoft, Etsy, Product Hunt, Toast to help create, send, and optimize marketing and transactional emails.
    show more ▾
    • Freemium
    • Online
    • Software as a Service (SaaS)
    ▼
    • Email automation
    • Email deliverability
    • Email api
    • Email template editor
    • SMTP
    • Transactional SMS
    • Transactional Email
    • Email tracking
    • SMTP integration
    ▼
  • mailsend-go

    mailsend-go is a command line tool to send mail via SMTP protocol, written with golang.
    No screenshots yet
    • Free • Open Source
    • Mac
    • Windows
    • Linux
    ▼
    • SMTP
    • Command line interface
    • Support for TLS
    ▼
  • Elastic Email

    All in one email delivery platform that includes an SMTP Relay, API, and a full suite of tools via the browser based UI.
    No screenshots yet
    • Paid
    • Online
    ▼
    • Api
    • SMTP
    • Email tracking
    • Email automation
    • Email integration
    • Transactional Email
    • Email api
    • Email template editor
    • Email Analytics
    • Email scheduling
    ▼
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