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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 card@gmass.co.

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.

  1. You have stated that my email address cannot be found but I am still being charged. I have attempted to cancel my subscription several times. Please contact me asap.

  2. according to your server I am currently a paid member of gmass however I am still unable to send mass emails to any more then 50 recipients, the main purpose of having gmass to begin with.

  3. I have been charged twice now without authorization and despite my multiple attempts to reach you and cancel. Please advise ASAP.

    1. Hi Brittanae,

      When you subscribed to GMass, you subscribed to a recurring monthly subscription. We’ve responded to your email on the process for canceling your subscription and requesting for a refund. Again they can be found here:

      To cancel your GMass subscription, please see https://www.gmass.co/blog/how-to-cancel-your-paid-gmail-mail-merge-subscription-to-gmass/
      You may issue yourself a refund, please see https://www.gmass.co/blog/request-a-refund/ ( https://www.gmass.co/blog/request-a-refund/ )

  4. I Need to change my cc and followed instructions above and got this reply

    Address not found
    Your message wasn’t delivered to card@gmass.co because the address couldn’t be found, or is unable to receive mail.

  5. Hi,

    I was charged last month for two GMass subscriptions that I thought I cancelled last month. For the three emails that I have used GMass on, I tried to cancel again, just in case it didn’t work last month. However, I received the message “Your GMass request failed. Error details: This account is a free account, so there is no subscription to cancel.”

    I’m not sure for which emails I am being charged! Can you please help out? Thanks!

      1. Hi Marvin,

        I have responded to your support email and have received no response in 6 days. Please let me know what I need to do to resolve this problem.


  6. I tried to unsubscribe several times during the last 8 months. My account is continuously charged. I’m afraid that I have to look for a good lawyer, if my polite and impolite requests to unsubscribe fail. If you need the dates of my letters I sent, I can specify them.

    1. Please contact our support team through http://gmass.co/g/support. We have not received any requests for assistance in canceling your subscription to GMass.

      Also note that cancellations are self-service, to cancel your GMass subscription, please see https://www.gmass.co/blog/how-to-cancel-your-paid-gmail-mail-merge-subscription-to-gmass/. It’s basically a 3 step process: open a new compose, add cancel@gmass.co to the TO field, and finally, click on the GMass button.

  7. Hi. Can you please confirm my paid subscription. I paid yesterday for a one year Gsuite and have not received confirmation. thank you

  8. Dear Concern,

    vspublishersheadoffice@gmail.com is the ID on which we deployed gMass through my credit card paid description. My Account got blocked for some reasons so am unable to open my gmail account. I do not want to use gmass paid description any more. How to unsubscribe from this as am losing money every month without using Gmass at all.

    Please advise

  9. OH my, I’m trying to change my email for days now. HELP!

    from: l***2356@mooseunits.org
    to: l****2356@gmail.com

    you need a better way to support.

  10. I need to change my credit card information. The information on this post does work for me as if I click on the g mass button, it attempts to send the email. There is no pop up to ‘change my credit card’. Please contact at the email address below to correct.

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