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CritSend Alternatives

CritSend is described as ''s full SMTP relay service and API ensures inbox delivery for your transactional mails. Never worry about email compliance, deliverability, IP reputation or blacklisting. Free email service from CritSend' and is an website in the office & productivity category. There are more than 25 alternatives to CritSend, not only websites but also apps for a variety of platforms, including Windows, SaaS, iPad and iPhone. The best alternative is Mailchimp, which is free. Other great sites and apps similar to CritSend are Mailgun, Sendgrid, Mailjet and Mailforge.

CritSend alternatives are mainly Email Marketing Services but may also be CRM Systems. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of CritSend.
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  • Online

CritSend's full SMTP relay service and API ensures inbox delivery for your transactional mails. Never worry about email...

Learn more about CritSend

  1. Mailchimp icon

    Mailchimp’s all-in-one Marketing Platform helps small businesses market smarter so you can grow faster. As the backbone for your customer relationships, they provide AI-powered, user-friendly tools anyone can use to be successful.

  2. Mailgun icon


    • Online

    Mailgun is email automation for developers. Use our REST APIs to effortlessly send, receive and track email from your website or application.

    Mailgun vs CritSend opinions
    pros, cons and recent comments

    i was frustrated trying to get my head around Critsend, through this i signed up to Mailgun...looks super easy, hope it will work fine too.

    Positive comment ago
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  3. Sendgrid icon


    • FreemiumProprietary
    • Online

    Scalable email delivery for transactional email SendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve higher deliverability. SendGrid integrates in minutes by just changing three SMTP settings.

  4. 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.

    Passport is Mailjet’s email editor that helps you create responsive emails in minutes and enables you to collaborate in real-time with other users inside the builder!
  5. Mailforge is an easy to use email marketing platform, giving you the tools for lead generation with beautiful popups and embed forms, drag and drop email editor and advanced lead segmentation.


  6. Platformly is a powerful yet easy to use business management and marketing automation tool for busy business owners who are focused on growth.

  7. Elastic Email offers an SMTP Relay, HTTP API, and fully featured browser based UI for managing marketing and transaction email.

    No screenshots yet
  8. Postmark icon


    • Software as a Service (SaaS)

    Postmark is a fast and reliable transactional email service. Send with Postmark to ensure your transactional emails get to the inbox on time, every time.

  9. Easy-to-use, email marketing and automation for fast growing businesses. Send group email campaigns, automated messages and targeted newsletters with ease.

  10. SMTP2GO icon


    • Online

    SMTP2GO is an email service provider, performing the task of reliably delivering transactional and marketing emails, and providing reporting tools to track and visualize what is happening with outgoing emails.

    No screenshots yet
Showing 10 of 39 alternatives