And here in the SMTP archives you'll find everything we've written on the GMass blog about SMTP, including:
- How to use a third-party SMTP with GMass to break Gmail's limits and send virtually unlimited emails
- GMass's own SMTP service for transactional emails
- Reviews of SMTP services
- Our tools to analyze your SMTP settings to flag any potential issue
- And all other SMTP-related tips and findings
![How to Use GMass’s SMTP Relay to Send WordPress Transactional Emails](https://blogcdn.gmass.co/blog/wp-content/uploads/2022/04/Featured-image-How-to-Use-GMasss-SMTP-Relay-to-Send-WordPress-Transactional-Emails-102kb-768x358.png)
April 21, 2022
How to Use GMass’s SMTP Relay to Send WordPress Transactional Emails
How to use GMass's SMTP relay service to send WordPress transactional emails like confirmations and receipts through your Gmail account.
Continue Reading![Why GMass and SendGrid are better for campaigns](https://blogcdn.gmass.co/blog/wp-content/uploads/2022/04/Featured-image-Why-GMass-and-SendGrid-are-better-for-campaigns-80kbD-768x358.png)
April 11, 2022
Why GMass + SendGrid is Better for Campaigns Than SendGrid Alone
You can send email campaigns via SendGrid's Marketing Campaigns — but it lacks the features of GMass. Instead, use GMass for emails with SendGrid for SMTP.
Continue Reading![GMass SMTP service](https://blogcdn.gmass.co/blog/wp-content/uploads/2021/09/Featured-image-GMass-SMTP-service-copy-768x358.png)
September 22, 2021
Introducing a new kind of SMTP Service
Instead of using SendGrid, Mailgun, or Amazon SES to send emails from your website, use the GMass SMTP service and have your emails sent by Google.
Continue Reading![Postmark product review](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/09/Postmark-product-review-67kb-768x358.png)
October 5, 2020
Postmark Review 2025 (Features, Limitations, Pricing)
Looking for a comprehensive Postmark review? This article covers its key features, major limitations, and pricing details.
Continue Reading![SMTP com product review](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/09/SMTP-com-product-review-70kb-768x358.png)
September 24, 2020
SMTP.com Review 2025 (Features, Drawbacks, Pricing)
Looking for a thorough review of SMTP.com? This article highlights the key features, drawbacks and pricing details of SMTP.com
Continue Reading![Mandrill product review](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/09/Mandrill-product-review-64kb-768x358.png)
September 23, 2020
Mandrill Review 2025 (Features, Pricing, Drawbacks)
Looking for a detailed Mandrill review? This article highlights its key features, drawbacks, and pricing details to help you out.
Continue Reading![Proof Google allows sending through SMTP service](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/09/Proof-Google-allows-sending-through-SMTP-service-78kb-768x358.png)
September 18, 2020
Proof that Google allows sending from a gmail.com account through an external SMTP server
Ever since we launched the ability to hook your account up to an external SMTP provider and essentially “break” Gmail’s …
Continue Reading![ultimate guide to SMTP](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/08/ultimate-guide-to-SMTP-featured-image-123kb-768x358.png)
August 4, 2020
The Ultimate Guide to SMTP (2025 update)
Want to learn about SMTP? This article contains everything you need to know about what it is and how it works.
Continue Reading![Office 365 SMTP settings](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/05/Featured-image-Office-365-SMTP-239kb-768x358.png)
June 28, 2020
Setting Up Office 365 SMTP Settings (Updated Guide)
Want to know how to set up SMTP settings on Office365? This article contains everything you need to know to do this easily.
Continue Reading![Outlook SMTP settings](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/05/Featured-image-Outlook-SMTP-254kb-768x358.png)
June 27, 2020
Outlook SMTP Settings (2025 Guide)
Want to know how to set up SMTP settings on Microsoft Outlook? This article contains everything you need to know to do this easily.
Continue Reading![High Volume Cold Email](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/06/How-to-Send-High-Volume-Cold-Email-104kb-768x358.png)
June 15, 2020
How to send high volume cold email [beyond Gmail’s limits]
Most cold emailers can only send as many emails as their Gmail account allows, but I've invented a way to send far beyond those limits.
Continue Reading![Gmail SMTP settings](https://blogcdn.gmass.co/blog/wp-content/uploads/2020/06/Featured-image-Gmail-SMTP-240kb-768x358.png)
June 12, 2020
Gmail SMTP Settings: Easy Step-by-Step Setup Guide (with Screenshots)
Want to learn how to set up SMTP settings on Gmail? This article contains everything you need to know to do this easily.
Continue Reading