An email sent by One Medical exposed hundreds of customers’ email addresses

I think this was an honest mistake, which sadly made the headlines. I personally would have used an email list, ran by mailing list software, to contact those people. I would not use the “to” or “BCC” field to do it, and some mailing list software allow you to personalize your email specific to them. Check this out.

The primary care startup admitted the mistake was not caused by a security breach.

Source: An email sent by One Medical exposed hundreds of customers’ email addresses