Friday, September 30, 2016

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% higher-than-average conversion rates.

Wow! Everyone should start mailing on Saturdays, right?

Not necessarily.

email marketing
Think about your target. Are you emailing to businesses or consumers? Are your prospects senior citizens, or are they college students? Are you sending emails to “C” level executives or to small business owners?

Now, put yourself into the position of your target and ask “when would I be most likely to open an email if I were that person?

College students do over 80% of their internet activity on mobile devices and that’s something to keep in mind. They are not likely to read long-winded content and they are probably not receptive to emails on weekends when they’re engaged in social activities.
Mid-level management people will probably open their email at work during business hours. 

Early morning or after lunch might be the best time. “C” level executives may have their emails screened by an assistant and so you might want to slant the content for that possibility and deliver early morning during the work week.

Senior citizens? They have more time than people who work 40+ hours per week and they are looking for interesting content. You may want to avoid small type fonts for obvious reasons, and seniors generally wake up early so early morning might be an effective strategy.

A Brief Case Study

A software service marketed a new product to physicians and sent large quantities of mail on Tuesdays because that was the conventional wisdom at the time. The open rates were abysmal for the first few days but then they suddenly shot up on the weekends, especially Sunday.

Doctors simply do not have the time to open email during the work week when they’re occupied with exams, hospital rounds, or surgery. When the weekend comes and they have a few hours of free time they will often open their email.

Knowing what doctors had opened on Sunday but not converted, the sales team started a follow-up reminder campaign for the following Sunday morning so it email would be on top of their list. Opens, clicks, and conversions to sales all increased and the campaign achieved their goals!

When to Send?

The answer is to run tests. Fortunately GMass makes it easy to track clicks and opens in the Main Campaign Report. Run the report at various intervals and you will know who opened your emails and when. Here are a video and an article on that feature.

It can be a challenge to find the perfect combination, but try experimenting with different content, subject lines, and timing until you reach just the right combination. GMass is an excellent hands-on platform that is perfect for business owners and managers to use as they build and customize a successful marketing strategy!

Tuesday, September 27, 2016

You can now transfer your subscription to another account

Many users have asked us to transfer their paid GMass subscription from one account to another, so we've now built a way for you to do this yourself. You can now transfer a paid GMass subscription to another Gmail account.

Why would you want to do this?

1. Perhaps you accidentally subscribed the wrong account. Instead of canceling and re-subscribing, you can just transfer the subscription over.

2. Perhaps you changed your mind after subscribing, because you realized that a different Gmail account has a better reputation and more sending ability than the account you originally subscribed.

How to transfer your GMass subscription

In this example, I'm about to transfer my paid GMass subscription from to Note that you can't tell from the screenshot that the account I'm logged into is

1. Launch a new Compose window in Gmail from the account that already has the paid GMass subscription.

2. Set the To field to

3. Set the Subject to the Gmail account that you wish to transfer the GMass subscription to.

4. Hit the main GMass button. (Do not hit the blue Send button.)

Important notes about transferring a subscription

1. You can only transfer a subscription from an account with an active subscription to an account that is currently free.

2. Both accounts must be of the same type, meaning both must be regular Gmail accounts or both must be Google Apps accounts.

3. A GMass account must exist for both accounts for the transfer to take place.

Saturday, September 24, 2016

How to change or update the credit card for your GMass subscription

If you've previously subscribed to a paid GMass plan, at some point you may need to change or update the credit card associated with your account. This is how you do it.

1. Compose a new email in Gmail and set the To field to

2. Type anything you wish for the Subject and Message.

3. Click the main GMass button. Do not click the Gmail Send button.

4. You'll then get a link at the top of your screen to change your credit card. Click that link. You'll be taken to a web page with a button to enter your new credit card.

Saturday, September 10, 2016

How to cancel your paid Gmail Mail Merge subscription to GMass

If you want to cancel your subscription to GMass's Gmail Mail Merge system, you can do that yourself.

Be sure to hit the GMass button and not the Send button to cancel your GMass subscription.

1. Launch a regular Gmail Compose Window.

2. Set the To field to

3. Type anything you like in the Subject Line, so long as it's not blank.

4. Optionally, please tell us the reason for your cancellation in the Body of the email. This is optional.

5. Click the GMass main button. Your subscription will end immediately and your account will go back to being a free account limited to sending 50 emails/day.

Important: Be sure to hit the red GMass button, and not the regular Gmail Send button. Hitting the regular Send button won't accomplish anything. 

Another note: You must be logged into the Gmail account that has the GMass subscription you wish to cancel.

Thursday, September 8, 2016

New Gmail Mail Merge Feature: Manually Import or Remove Unsubscribe Addresses

If you've been using GMass for your mail merge campaigns in Gmail, you can now easily add email addresses to your account's Unsubscribe List.

As a reminder, any email addresses on your Unsubscribe List will be suppressed from your GMass campaigns -- that means they will be eliminated from any campaign you send with the GMass button. Additionally, if you're a Google Apps user and you've enabled Global Unsubscribes, you can also use this feature to suppress email addresses across all other GMass accounts of the same domain.

To manually add email addresses to your Unsubscribe List:

1. Launch a regular Gmail Compose Window.

2. Set the To field to

3. Type anything you like in the Subject Line, so long as it's not blank.

4. Paste in a list of email addresses to unsubscribe as the body of the message, with each email address on one line.

5. Click the GMass main button.

Important: Be sure to hit the red GMass button, and not the regular Gmail Send button. Hitting the regular Send button won't accomplish anything.

You can use this method to unsubscribe thousands of email addresses at once. For example, if you're switching from a traditional email service provider like MailChimp over to GMass, you may want to take all of your unsubscribe addresses from MailChimp and import them into GMass.

To remove email addresses from your Unsubscribe List:

If you've accidentally unsubscribed yourself, or if you a particular email address has unsubscribed but now wants back on your email list, you can remove an address from your Unsubscribe List. Follow the same procedure as above, but set the To field to

Final Thoughts:

If you're unfamiliar with the unsubscribe feature of GMass, learn how to add an Unsubscribe Link to your mail merge campaigns in Gmail.

Saturday, September 3, 2016

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 GMass and were notified that this error was generated while sending to your email addresses:

An Error occurred, but the error response could not be deserialized

you might be perplexed, since the error doesn't provide any actionable information. This is an error that is generated by the Gmail API when GMass connects to your Gmail account to send your mail merge campaign. While there's not much information available from Gmail as to the cause of this error, we've found that the usual cause is the user of large attachments or inline images.

Gmail states that emails can be up to 25MB in size, and GMass places a further size limit of 12MB per individual email message, but still, Gmail may generate this error even if you are under both of these limits. The solution is to simply reduce the size of your email, either by shrinking your inline images, host your images and refer to them relatively in your HTML code, or by reducing the size of or eliminating attachments.

This Stack Overflow article corroborates our theory about this error.

Thursday, September 1, 2016

Video interview with GMass founder, Ajay Goel, on Growth Hacker TV

Check out this just-released Growth Hacker TV video interview with Ajay Goel, the creator of GMass.

In this video, Ajay discusses the meteoric rise of GMass and the transition from a free service to a paid subscription service.