The SendHustle blog
Guides and tutorials on email automation, cold outreach, mail merge, and getting more replies.
Page 50 of 55 · 651 articles
Is There a Best Day to Launch an Email Marketing Campaign?
Conventional Wisdom on Email Timing is Evolving A 2016 email marketing study concluded that Emails sent on Saturdays generate 60% ...
How to transfer your subscription to another account
You can transfer your paid SendHustle subscription from one account to another, even if one account is a Gmail account and ...
How to update the credit card for your subscription
If you’ve previously subscribed to a paid SendHustle plan, at some point you may need to change or update the ...
Cancel your SendHustle subscription
How to cancel your subscription to SendHustle’s mail merge tool depends on whether you subscribed with a credit card or ...
Manually Import or Remove Unsubscribe Addresses and the SendHustle Unsubscribe Features
How to use SendHustle's unsubscribe management features to add or remove addresses from your unsubscribe list. (Plus more unsubscribe features in SendHustle.)
What the "An Error occurred, but the error response could not be deserialized" error means
If you’ve sent a Gmail mail merge campaign with SendHustle and were notified that this error was generated while sending to ...
Video interview with SendHustle founder, Ajay Goel, on Growth Hacker TV
Check out this just-released Growth Hacker TV video interview with Ajay Goel, the creator of SendHustle. In this video, Ajay ...
How to stop SendHustle from sending emails from your Gmail account
There are lots of reasons why you may need to stop SendHustle from sending emails from your Gmail account: SendHustle ...
Sending limit of free accounts will change to 50 emails/day
Note: SendHustle no longer offers free accounts due to unsustainable amounts of abuse and resource drain. A free trial is ...
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 SendHustle to improve deliverability and click-through rate.
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How many emails can you really send with SendHustle and Gmail? [2026]
Gmail officially claims that with a regular Gmail account you can send 500 emails/day and with a G Suite account ...
Spammers, SendHustle, 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 SendHustle to their own ...
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