August 3, 2017

In Gmail you can use the "Send mail as" settings, but this can impact your email deliverability if sent through external SMTP servers.

July 27, 2017

I’m launching an email newsletter today focusing on Gmail productivity! If you’re a GMass user, then you’re also one of …

July 25, 2017

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.

July 15, 2017

There are certain situations where you may be eligible for a refund from GMass. For example: You subscribed the wrong …

July 11, 2017

I just fixed a bug that was causing non-English characters in the To “Name” of a sent email to be corrupted. …

July 9, 2017

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

June 15, 2017

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.

June 7, 2017

Using Gmail, Google Sheets, and GMass, you can set up automated birthday emails and emails based on any date criteria in your spreadsheet.

May 23, 2017

You can now create and apply your own custom Gmail Labels to campaigns, to help you keep your mail merge …

May 22, 2017

When you create a mail merge campaign in GMass, the campaign is temporarily saved as a Gmail Draft, and based on …

May 11, 2017

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?

May 3, 2017

Beware of a Google Docs scam seeking access to your Gmail account. Click here to learn what this scam means and what to do if it has accessed your Gmail!