Regularly receiving this type of unsolicited email in your users' inboxes, chances are your emails will soon be diverted to spam or junk folders. The most important thing to prevent this from happening is to respect your recipients' choice to opt-out of receiving emails from you. You can add the links to easily unsubscribe. You must be familiar with the CAN-SPAM Act and its regulations.
"tengu-top-of-feed-tip": {
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被询问人要求就被询问事项自行提供书面材料的，应当准许；必要时，人民警察也可以要求被询问人自行书写。