August 10, 2017
GMass now works with Google Inbox
It’s been a long time in the making, but GMass finally works with Google Inbox. We’re so excited that we’re …
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August 3, 2017
How using Gmail’s “Send mail as” settings affects email deliverability
In Gmail you can use the "Send mail as" settings, but this can impact your email deliverability if sent through external SMTP servers.
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July 27, 2017
Announcing the launch of “The Gmail Genius”
I’m launching an email newsletter today focusing on Gmail productivity! If you’re a GMass user, then you’re also one of …
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July 25, 2017
Domain Blacklists – The comprehensive guide
This 2017 guide to domain blacklists covers the most popular public DNSBLs like Spamhaus and SURBL and private lists like the Barracuda and AOL blacklists.
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July 15, 2017
How to request a refund
There are certain situations where you may be eligible for a refund from GMass. For example: You subscribed the wrong …
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July 11, 2017
Bug fix: Foreign characters in the To field would appear garbled in sent email
I just fixed a bug that was causing non-English characters in the To “Name” of a sent email to be corrupted. …
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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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June 15, 2017
You can now send huge 35 MB Gmail mail merge campaigns
We've re-engineered how GMass connects to Gmail to make it so that you can send mail merge campaigns that are a whopping 35 MegaBytes in size.
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June 7, 2017
Use Gmail to send birthday and date-driven emails automatically
Using Gmail, Google Sheets, and GMass, you can set up automated birthday emails and emails based on any date criteria in your spreadsheet.
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May 23, 2017
You can now use custom Gmail Labels to organize campaigns
You can now create and apply your own custom Gmail Labels to campaigns, to help you keep your mail merge …
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May 22, 2017
Understanding the Gmail Labels that GMass uses
When you create a mail merge campaign in GMass, the campaign is temporarily saved as a Gmail Draft, and based on …
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May 11, 2017
Gmail Attachment Limit: How to Send Files that Exceed the Limit
GMass imposes a 35 MegaByte size limit on a Gmail mail merge campaign, even though Gmail's official published size limit is 25 MB. How is this possible?
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