# Prevent Contacts receiving emails twice

**URL:** <https://community.hubspot.com/t/prevent-contacts-receiving-emails-twice/69348>\
**Category:** Lists, Lead Scoring & Workflows\
**Tags:** workflows\
**Created:** [November 16, 2022, 6:25am UTC](https://community.hubspot.com/t/prevent-contacts-receiving-emails-twice/69348 "2022-11-16T06:25:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ECross8](https://avatars.discourse-cdn.com/v4/letter/e/ea666f/32.png) [@ECross8](https://community.hubspot.com/u/ECross8)\
**Post date:** [November 16, 2022, 6:25am UTC](https://community.hubspot.com/t/prevent-contacts-receiving-emails-twice/69348/1 "2022-11-16T06:25:10Z")

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When creating a product workflow how do I prevent clients with multiple products from receiving duplicate emails?

I’ve tried creating it as a contact workflow but this doesn’t give me the field options I need for the products.  
But some clients have 15 or 20 products and last time they received multiple emails (angry clients!)

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**Author:** ![karstenkoehler](https://d10pqhm3lwygmk.cloudfront.net/user_avatar/community.hubspot.com/karstenkoehler/32/68554_2.png) [@karstenkoehler](https://community.hubspot.com/u/karstenkoehler)\
**Post date:** [November 16, 2022, 6:45am UTC](https://community.hubspot.com/t/prevent-contacts-receiving-emails-twice/69348/2 "2022-11-16T06:45:14Z")

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Hi @ECross8,

Could you specify what you mean with a product workflow? HubSpot has contact-based, company-based, deal-based, ticket-based, quote-based, conversation-based and feedback submission-based workflows – I’m not aware of product-based workflows. Is this a custom object you created in your portal?

Can you share a screenshot of your workflow?

Best regards

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<div class="post-metadata">

**Author:** ![ECross8](https://avatars.discourse-cdn.com/v4/letter/e/ea666f/32.png) [@ECross8](https://community.hubspot.com/u/ECross8)\
**Post date:** [November 16, 2022, 3:33pm UTC](https://community.hubspot.com/t/prevent-contacts-receiving-emails-twice/69348/3 "2022-11-16T15:33:54Z")

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Yes, it is a custom object (sorry, I’m still learning!).  
Is that why certain options are only available within this object and not others?  
I just want the clients who have products that meet certain criteria not to receive the email more than once - any idea how I might filter it?

 ![ECross8_0-1668612824543.png](https://d2qpr2jzcazej7.cloudfront.net/original/2X/a/aef911ae7c591fc83012214aeee59625b859436f.png)