What Is An Email API? (+10 Great APIs To Use)
An email API helps you automate, optimize, and personalize your marketing and transactional emails. However, with several email APIs available today, how do you pick the right one?…
GMass Blog
Email, Gmail, and GMass — explained.
Practical guides, product updates, deliverability research, and experiments from the team building GMass.
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Top 7 Email Validation API Tools (Features, Pricing, Ratings)
Looking for the best email validation API? Sending emails to the wrong email IDs can lead to high bounce rates and low deliverability, ultimately damaging your sender reputation.…
10 Best Email Tracking Apps (Chrome Extensions) for Gmail and Outlook
Looking for the best email tracker Chrome extension for Gmail or Outlook? An essential tool in any email marketer’s arsenal, email trackers help you keep track of how…
Amazon SES Review (Benefits, Limitations, and Pricing)
Looking for a detailed Amazon SES review? Amazon SES (Amazon Simple Email Service) is part of the cloud computing platform of AWS (Amazon Web Services) and helps you…
When your Zendesk domain gets blacklisted
Last week, our Zendesk subdomain, gmass.zendesk.com, was flagged by the Google Safe Browsing program. This had the unfortunate effect of sending all Zendesk ticket notification emails to our…
Inboxroad Review 2026 (Features, Limitations, Pricing)
Looking for a comprehensive Inboxroad review? Inboxroad is an SMTP relay service that offers features like email APIs, detailed analytics, and a dedicated IP to improve your email…
Postmark Review 2026 (Features, Limitations, Pricing)
Interested in using Postmark for your email marketing and SMTP needs? Postmark is an SMTP service provider that focuses on improving your deliverability rates. With an email API,…
Pabbly Review 2026 (Features, Pricing, Drawbacks)
Looking for a detailed Pabbly review? Pabbly is a SaaS-based web app that streamlines and optimizes your email marketing experience. From subscription management to payment billing and marketing…
Pepipost Review 2026 (Features, Limitations, Pricing)
Wondering if Pepipost is the right email sending service for you? Pepipost is a cloud-based email delivery service designed to send transactional emails. Pepipost also offers an SMTP…
SMTP.com Review 2026 (Features, Drawbacks, Pricing)
Looking for a comprehensive SMTP.com review? SMTP.com is a tool used by marketers to send mass marketing and transactional emails. It’s a powerful SMTP tool that helps your…
Mandrill Review 2026 (Features, Pricing, Drawbacks)
Looking for an in-depth Mandrill review? Developed by Mailchimp, Mandrill is a SaaS-based transactional email service that lets you send personalized transactional emails to your customers. But despite…
SendPulse Review 2026 (Features, Drawbacks, Pricing)
Thinking about using SendPulse for your email marketing needs? SendPulse is a popular multi channel marketing platform option for companies who want to boost their digital marketing outreach…