Hi
Try using a transactional email service such as Mailgun: https://zapier.com/apps/categories/transactional-email
Hi
Thanks for the question. Gmail implements sending limits on their accounts: https://support.google.com/a/answer/166852 and it sounds like you exceeded those limits for this workflow.
Setting up an automation in Mailchimp or similar would be the best way to trigger a welcome series to that many subscribers, but I understand from your note that the Google Drive link you wish to embed is created in the Zap
I did some searching and found this article about creating personalized files in Mailchimp - do you think that may work for you? https://mailchimp.com/help/use-merge-tags-to-send-personalized-files/
You could then use the Add Subscriber to Tag action in your Zap, to add the subscriber to the automation you have created in Mailchimp.
Hope this helps!
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