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1 vote
Why is it a mistake to put email addresses of people who don't know each other in the "To:" field?

User Nonamelive
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2 Answers

2 votes
So they can know who it is going to . You cannot send an email without knowing who it goes to :)
User Cmorales
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8.1k points
3 votes
Because you've revealed multiple people's email addresses, which can potentially expose them to spam emails, etc
User Magicgregz
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8.9k points