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Go Mail VS Sidemail

Compare Go Mail VS Sidemail and see what are their differences

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Go Mail logo Go Mail

Go Mail aims to unify multiple popular mail APIs into a singular, easy to use interface.

Sidemail logo Sidemail

Sidemail is an all-in-one email platform for SaaS. Estd. 2018. Made in EU. GDPR compliant.
  • Go Mail Landing page
    Landing page //
    2023-10-03
  • Sidemail Sidemail homepage
    Sidemail homepage //
    2025-07-09

About Sidemail

Sidemail is an all-in-one email delivery platform mainly focusing on SaaS businesses. It covers everything for delivering and managing emails – transactional emails, email marketing, email automation, contact profiles management, and subscribe forms. What developers and business owners appreciate the most is its easy integration, intuitive UI, and amazing customer care.

Sidemail was founded in 2018 and is based in the EU.

Popular solutions

Email sending API Start sending transactional emails like password reset or welcome emails from your application in just a few minutes – Sidemail makes it incredibly easy to create, maintain, analyze, and deliver beautiful transactional emails.

Product updates & newsletter Send product update emails (newsletters) and let your users know what’s new in your product with Messenger. It’s as easy as sending an email directly from your Gmail account, except you can send to all users and see the stats.

Automated email sequences Set up email automation to deliver your email or sequence of emails when a defined event happens — for example, user sign-up. Use it to onboard new users, convert them into paying customers, and minimize churn.

Hosted subscribe forms Collect subscribers effortlessly without touching a code. Sidemail subscribe forms are simple to set up, easy to share, and you can customize them to fit your brand.

Contact management All your subscribers in one neatly organized place that always has enough room. Collect email addresses, and grow your email list with simple to set up subscribe forms that are easy to share.

No-code email editor Create responsive, well-tested email templates without code – Sidemail no-code editor is the simplest way to craft professionally-looking, responsive email templates that won't break in Outlook. Just upload a logo, pick brand colors, and you're ready to start sending in style.

Go Mail features and specs

  • Simplicity
    Go Mail offers a straightforward API that simplifies sending emails, making it easy to integrate into projects without a steep learning curve.
  • Modularity
    It supports multiple email service providers out of the box, allowing developers to switch between providers like SMTP, Mailgun, Sendgrid, and others with minimal configuration.
  • Customization
    Go Mail allows for a high degree of customization in composing emails, including support for HTML templates, attachments, and inline images, which can be tailored to fit specific needs.
  • Community Support
    As an open-source project on GitHub, Go Mail benefits from community contributions, where users can report issues, suggest improvements, or contribute to the codebase.

Possible disadvantages of Go Mail

  • Limited Features
    Compared to other comprehensive mailing libraries or services, Go Mail might lack advanced features like analytics, detailed logging, and tracking of email interactions.
  • Dependency Management
    Managing dependencies for Go Mail across different environments can be challenging, particularly if there are conflicts with other libraries or services being used.
  • Performance
    For high volume email sending, there might be performance limitations or lack of optimization that could require additional configuration or resources.
  • Documentation
    The documentation may not cover all edge cases or provide extensive examples, which could be a hindrance for new users trying to implement more complex email solutions.

Sidemail features and specs

  • Easy Setup
    Sidemail offers a straightforward setup process that allows users to quickly integrate email services into their applications without extensive configuration overhead.
  • User-Friendly Interface
    The platform boasts an intuitive and easy-to-navigate interface that makes it accessible for users with varying levels of technical expertise.
  • Automation Features
    Sidemail provides robust automation features that enable users to automate their email workflows, saving time and reducing manual efforts.
  • Reliable Delivery
    The service ensures high deliverability rates, ensuring that emails reach their intended recipients promptly and reliably.
  • Customizable Templates
    Users benefit from customizable email templates that can be tailored to meet specific branding and communication needs.

Category Popularity

0-100% (relative to Go Mail and Sidemail)

Go Mail

Sidemail

Developer Tools
31 31%
Developer Tools
69% 69
Email Marketing
17 17%
Email Marketing
83% 83
Email
19 19%
Email
81% 81
Productivity
0 0%
Productivity
100% 100

User comments

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Social recommendations and mentions

Based on our record, Sidemail should be more popular than Go Mail. It has been mentiond 6 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Go Mail mentions (1)

  • How can I send emails with smtp after google has removed the "Less Secure Apps" option?
    I’ve created Go Mail specifically for this reason. Might be worth checking out u/DJCowGaming. Source: over 3 years ago

Sidemail mentions (6)

  • ⭐ DKIM and Its Setup - Explained Simply with Examples
    Setting up DKIM may sound technical, but modern email providers (ESP) and services have made it straightforward. As a SaaS company, you’ll typically use an email sending service (like Sidemail, SendGrid, Mailgun, etc.) or your own mail server to send emails. Let’s break down the setup process:. - Source: dev.to / 4 months ago
  • Email Deliverability Best Practices for SaaS Businesses 💌
    Sidemail.io: Tailored for startups and SaaS companies, Sidemail focuses on simplicity, deliverability, and ease of use. It specializes in transactional email – things like sign-up confirmations, password resets, and onboarding sequences – and helps ensure those critical messages are delivered fast and reliably. But also offers everything that startups need for sending marketing emails and setting up email... - Source: dev.to / 4 months ago
  • Dunning Emails – Definition, Examples, Best Practices, and Automation Tools
    Another effective approach is to use an email platform built specifically for SaaS communication. These tools make it easy to design and send dunning emails triggered by your app or billing system. Platforms like Sidemail let you create automated email sequences and trigger them via API or webhook when specific events occur – such as a failed payment. - Source: dev.to / 5 months ago
  • The Importance of Domain Reputation in Email Deliverability
    Use a Reputable ESP or Infrastructure: Your email service provider can influence your deliverability. Good ESPs enforce best practices and provide tools to help your reputation (like automatic suppression of bounces, feedback loop integration, and validated authentication). They may also have “managed” shared IP pools that are kept clean. If you’re a smaller sender, being on a high-quality shared IP with other... - Source: dev.to / 6 months ago
  • What is a transactional email? Everything you need to know
    Do you need help with your transactional emails? We specialize in email delivery and love working with clients directly. Whether you need help understanding transactional emails, managing and delivering emails for your service, integrating emails into your application, or anything else related to emails, we’ve got you covered. Feel free to reach out to me directly at kristyna@sidemail.io or check... - Source: dev.to / 6 months ago
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What are some alternatives?

When comparing Go Mail and Sidemail, you can also consider the following products

Mailook - Identify & fix your email deliverability issues for free 👀

Postal - Open source mail delivery platform, alternative to Mailgun or Sendgrid

Mailivery - Land Your Emails in the Inbox, Not the Spam Folder

Pepipost - Use our powerful Email APIs to deliver all your business critical emails on time and to the Inbox. We are the world’s only ESP that gives cashback on emails opened.

MailChimp - MailChimp is the best way to design, send, and share email newsletters.

Amplemarket - AI-powered sales assistant

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