Articles
Learn about SaaS emails, best practices for sending transactional emails, writing SaaS marketing emails, setting up email automations, creating email templates, working with email sending APIs & email providers, and more...
Dunning Emails – Definition, Examples, Best Practices, and Automation Tools
Kristyna
published in April 2025
Dunning refers to the process of contacting customers to collect overdue payments. SaaS companies typically lose 1–5% of MRR each month due to failed payments. Up to 70–80% of failed...
Read more →The Importance of Domain Reputation in Email Deliverability
Patrik
published in March 2025
IP reputation used to be everything in email deliverability. Not anymore. Today, mailbox providers anchor trust in your domain, not just your IP...
Read more →What is a transactional email?
Kristyna
published in February 2025
Transactional emails play a crucial role in digital platforms, from SaaS applications to e-commerce stores. They’re triggered by specific user actions and deliver timely, relevant information that...
Read more →Top Brevo Alternatives in 2025
Kristyna
published in January 2025
Looking for a better alternative to Brevo (formerly Sendinblue)? Whether you’re managing transactional emails, marketing automations, or just seeking more reliable support, there are...
Read more →Transactional Email vs Marketing Email – What’s the Difference + Explanation + Examples
Kristyna
published in June 2024
Transactional emails and marketing emails – you have probably heard these terms before. However, the definitions are not always very clear, which might leave you unsure about the difference and...
Read more →What is an Email API? Everything you need to know
Kristyna
published in May 2024
Are you building an online business, digital product, application, SaaS, or something similar? Then you’ll probably need an email API—to send transactional emails like password resets or receipts...
Read more →8 Best Transactional Email Platforms in 2025 Compared
Kristyna
updated in January 2025
Single sign-on, password reset, welcome email, order confirmation – these all are transactional emails. Emails that are sent as a direct response to a user’s actions in an application, service, or...
Read more →SendGrid Alternatives with Better Customer Support & Deliverability
Kristyna
updated in January 2025
Tired of dealing with SendGrid's poor customer support? Struggling with the deliverability of your transactional emails? Read this detailed comparison between Sendgrid and other email providers...
Read more →Simple Amazon SES Alternatives for SaaS
Kristyna
updated in January 2025
Amazon SES provides you with low-level tools for email delivery, but all the integration, email template setup, troubleshooting, analytics, etc. is up to you. Find a simpler Amazon SES alternative...
Read more →The Best Mandrill Alternatives for Delivering & Managing SaaS Emails
Kristyna
updated in July 2024
Mailchimp Transactional Emails, formerly Mandrill, is a paid Mailchimp add-on for sending transactional emails. If you're looking for a better alternative to Mandrill, check this detailed...
Read more →Mailgun Alternatives for SaaS with Better Customer Support & Reliability
Kristyna
updated in January 2025
Looking for a better alternative to Mailgun? Need a complete solution for your SaaS? We’re bringing you a detailed comparison between Mailgun and other email providers for 2023...
Read more →The Best Postmark Alternatives for Sending SaaS Emails
Kristyna
updated in January 2025
Need to deliver not only transactional emails but also sent product updates and newsletters? And set up a welcome email sequence or prevent churns with email automation? Compare Postmark...
Read more →Dark mode in HTML email
Patrik
updated in March 2020
The new big trend in tech, dark mode, is coming to email. Learn how it works and how to make dark‑mode‑friendly HTML emails yourself...
Read more →About Sidemail
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