The SendHustle blog
Guides and tutorials on email automation, cold outreach, mail merge, and getting more replies.
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Beware of New Google Docs Scam! | GMass Blog
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!
Advanced Bounce and Block Handling
You now have more control over your account’s bounce list and how bounces are handled for your account. In this ...
The world's first mail merge service with live email proofreading
Today I’m proud to introduce the world’s first mail merge service with live email proofreading. Before you send your Gmail ...
Use Google Forms and GMass to send surveys and follow-up emails that maximize responses
Google Forms provides a fast and easy way to create online surveys. When combined with GMass, you can follow-up based on specific replies.
How to upgrade and downgrade your GMass plan
If you’re a paid GMass subscriber who has already subscribed with a credit card (as opposed to PayPal), you can ...
How to use emojis in your Gmail email marketing campaigns
Since GMass uses the native Gmail Compose window for campaign creation, you can copy/paste emojis into the Subject Line in order ...
Suppress addresses by number of days since last email
How to suppress emails for a campaign based on days — to make sure you're not overwhelming people with emails or sending redundant messages.
All About Auto Follow-Ups With GMass Gmail Plug In
Click here to learn about auto follow-up emails based on recipients that didn’t open your email. Check out the GMass auto follow-up email feature now!
Improvements made to the "Just create Drafts" feature
Last year, we launched the Just create Drafts feature, which allows you to have your mail merge campaign created as ...
How to use GMass to stay in touch with your LinkedIn contacts
A GMass power user, Sol Orwell, has published an excellent guide on staying in touch with your LinkedIn contacts by ...
![Throttle your email campaign (add delays/pauses between messages) [Updated 2026]](https://sendhustle-blog-images.s3.ap-south-1.amazonaws.com/blog/mail-merge-feature-throttle-your-email-campaign/newfeatures-longerpause-tinified.webp)
Throttle your email campaign (add delays/pauses between messages) [Updated 2026]
You can now choose to throttle your email campaign, adding a few seconds of pause after each individual email is sent. This ...
Gmail increases email size limit to 50 MB, but there's a catch...
Gmail announced yesterday that the email size limit has been upped from 25 MB to 50 MB, but there’s a catch ...
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