You can't customize 1000s of emails. Sure you can mail merge in their name, but putting their name in the first line is not customizing.
Customizing would be looking up information about their company, researching their competitors, talking to people who know them, figuring out what kind of food they like, and then crafting an email to them. That is not spam. That is hustle and marketing.
Customizing would be looking up information about their company, researching their competitors, talking to people who know them, figuring out what kind of food they like, and then crafting an email to them. That is not spam. That is hustle and marketing.