Email marketing refers to a network marketing method that delivers valuable information to target users through emails under the premise of the user's prior permission. Email marketing has three basic elements: based on the user's permission, information is delivered via email, and information It is valuable to users. The lack of one of the three elements cannot be called effective email marketing.
According to the above definition, which of the following is effective email marketing?
Xiao Gao received an email with the title Free gift card, direct consumption. After opening it, he found that there was only one address in the recipient column, but it was not his own email address. He was puzzled