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
May 7, 2020
A technical review of popular SMTP Services [2024]
A technical review of popular SMTP services like SendGrid, Mailgun, Amazon SES, and Mailjet. Each has flaws, quirks, and distinguishing features.
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May 27, 2019
Our new Email Analyzer checks for SPF, DKIM, and blacklists
The new Email Analyzer is for the email marketer that wants to check the SPF and DKIM of their email messages …
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January 7, 2019
New fast SMTP sending option
Speed has never been one of GMass’s strengths. Until now. If, for example, you need to send 1 million emails …
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July 23, 2018
Apply to use OUR own SMTP services and overcome Gmail’s limits
GMass gives you the ability to send unlimited emails by connecting a third-party SMTP service to your account. This allows …
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November 29, 2017
SMTP Test Tool – FAQ
This is the FAQ for the SMTP Test Tool. Q: What’s going on here? A: This is a web-based SMTP …
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Just launched! World’s best SMTP server testing tool.
I just launched the world’s best web-based SMTP test tool. With my new tool, you can see the exact SMTP conversation …
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November 20, 2017
How to get around Sendgrid’s domain whitelabel requirement
On April 6, 2020, SendGrid changed its sender verification requirements for new accounts created since April 6, 2020. Accounts created …
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October 25, 2017
How to send unlimited emails in Gmail using an SMTP server
You can now break Gmail's sending limits and send unlimited mail merge emails from your Gmail account, using the GMass plugin and a third party SMTP server.
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Using the “Just create Drafts” option with unlimited SMTP sending
We recently announced the official launch of unlimited sending in Gmail. It works by allowing you to connect your GMass …
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How to configure a Sendgrid SMTP account for GMass
If you’re using the GMass unlimited sending option by connecting an SMTP service to GMass, you may have chosen Sendgrid as …
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