A method, comprising: at an electronic device with one or more communication devices, wherein a user is associated with the electronic device: receiving a set of one or more inputs that includes input selecting a graphical object to select a graphical representation of a user associated with the electronic device; characterized in that in response to receiving the input to select the graphical representation: updating contact information of the user associated with the electronic device to include the selected graphical representation without transmitting the contact information of the user associated with the electronic device to a set of contactable users; after updating the contact information of the user associated with the electronic device to include the selected graphical representation, receiving a request to transmit a first message to a set of contactable users, the set of contactable users including a first contactable user; and in response to receiving the request to transmit the first message: in accordance with a determination that a set of sharing criteria is satisfied for the first contactable user, the set of sharing criteria including a first sharing criterion that is satisfied when the first contactable user corresponds to an approved recipient: transmitting, via the one or more communication devices, to the first contactable user: the first message, and the contact information of the user associated with the electronic device; and in accordance with a determination that the set of sharing criteria is not satisfied for the first contactable user: transmitting, to the first contactable user, via the one or more communication devices, the first message without transmitting the contact information of the user associated with the electronic device. receiving a set of one or more inputs that includes input selecting a graphical object to select a graphical representation of a user associated with the electronic device; characterized in that in response to receiving the input to select the graphical representation: updating contact information of the user associated with the electronic device to include the selected graphical representation without transmitting the contact information of the user associated with the electronic device to a set of contactable users; after updating the contact information of the user associated with the electronic device to include the selected graphical representation, receiving a request to transmit a first message to a set of contactable users, the set of contactable users including a first contactable user; and in response to receiving the request to transmit the first message: in accordance with a determination that a set of sharing criteria is satisfied for the first contactable user, the set of sharing criteria including a first sharing criterion that is satisfied when the first contactable user corresponds to an approved recipient: transmitting, via the one or more communication devices, to the first contactable user: the first message, and the contact information of the user associated with the electronic device; and in accordance with a determination that the set of sharing criteria is not satisfied for the first contactable user: in accordance with a determination that a set of sharing criteria is satisfied for the first contactable user, the set of sharing criteria including a first sharing criterion that is satisfied when the first contactable user corresponds to an approved recipient: transmitting, via the one or more communication devices, to the first contactable user: the first message, and the contact information of the user associated with the electronic device; and the first message, and the contact information of the user associated with the electronic device; and in accordance with a determination that the set of sharing criteria is not satisfied for the first contactable user: transmitting, to the first contactable user, via the one or more communication devices, the first message without transmitting the contact information of the user associated with the electronic device.