Best way to use an email blacklist/suppression list?

lukea · ‎05-22-2020

Hi Nation!

From our past email service provider, I've got an exported list of a few thousand email addresses, which must not receive any emails - also not via Marketo.

What is the Marketo way to ensure that persons, who exist today in the database, as well as persons that might get into the database in the future, and which are also part of the suppression/blacklist, don't get emails?

I know about the blacklisted field. However, this can only be set for existing persons. Also, if possible, I would not necessarily want to create a person/database entry for every blacklisted email address.

Thank you in advance for your help. 🙂

Darshil_Shah1 · ‎05-22-2020

While uploading the list if you choose the option "Default(Fast Import)" mode as the List Import Mode then new leads not existing already in the database will be created in marketo lead database, if the lead is already existing it would automatically de-duplicate leads based on email address (default de-duplication method), so as long as if you choose Default(Fast Import) mode while importing then you need not worry for duplication for existing leads. However if you choose the other option "Skip New people and updates" then no new people will be added and none of the existing people will be updated, it will simply show the pre-filtered static list of existing people for use in your marketing activities (which is something you don't want to do).

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