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Email Deliverability

Email deliverability is essential for anybody and everybody who's using email to send important messages — whether you're sending cold emails to thousands of prospective clients or sending a birthday invitation to a dozen friends.

If your emails don't wind up in your recipients' inboxes — and instead go to the Gmail promotions tab or, worse, the spam folder — your chances of campaign success plummet.

Here in the email deliverability archives, you can read the articles we've written on deliverability and avoiding spam.

You can also learn about many of the tools GMass has developed to help you improve deliverability like the Spam Solver, Email Deliverability Wizard, Email Warmup Tool, Domain Statistics roundup, Email Tester, and more.

July 9, 2017

How we analyze spam and email deliverability issues

We analyze spam and email deliverability issues by sending your campaign to a seed list of ten different secret email addresses we maintain.

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May 3, 2017

Advanced Bounce Handling

You now have more control over your account’s bounce list and how bounces are handled for your account. GMass’s reply …

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January 12, 2017

Look where the MailChimp Annual Report landed

Every year I look forward to receiving MailChimp’s Annual Report. It’s funny, pretty, and full of interesting statistics. It also …

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November 22, 2016

How to resend your Gmail mail merge campaign to blocked email addresses

If you sent a mail merge campaign with GMass and found that you experienced some blocking, you may want to …

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August 19, 2016

What Is a Custom Tracking Domain and How Does It Improve Email Deliverability?

What is a custom tracking domain? And instructions for setting up a custom tracking domain with GMass to improve deliverability and click-through rate.

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August 12, 2016

Spammers, GMass, and why your legitimate emails are ending up in Spam or being flagged as scam

We’ve had several users in the last few days report that emails they are sending with GMass to their own …

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June 13, 2016

Did your Google account get suspended or did Gmail bounce your emails?

With a recent increase in GMass’s popularity has come an increased number of reports of Google accounts getting suspended after …

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June 2, 2016

Emails getting blocked? Take this one step to eliminate delivery issues.

Overview GMass is a unique service in the email marketing space because it’s built on top of Gmail. That means, …

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May 31, 2016

The default tracking domain for Google Apps users was listed as “deceptive” by Google over the weekend

The default tracking domain that GMass uses for open-tracking, click-tracking, and the unsubscribe link for Google Apps users, gm.ag, was …

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May 14, 2016

How to handle this strange Gmail bounce: “read error: generic::failed_precondition”

Several users have recently reported seeing bounce backs from Gmail that look like this: Delivery to the following recipient failed …

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