Here is how to send bulk email responsibily:
1. Use Accurate Subject line. Do not use "You forgot!" or "Remember me?" misleading tricks spammers use. Spamers widely use deceptive subject lines. Using deceptive subject lines will tip off spam blocking software and email filters. If you use spamy subject line, you message will never reach intended user. Try to keep it simple and straightforward.
2. Often spammers forge header to mask their true location and ISP. Use a acccurate header to prevent marked as spam.
3. Include your physical street address and let intendent receipients know there is a real person or company sending it. Typical spammers use only email address and do not give out physical address in all emails. By giving out your physical address you give more credibility for your emails.
4. Provide unsubscribe option. By providing opt-out option, you are giving the user to stop receiving your emails and not forcing them to receive your message. Since real spammers use fake unsubscribe link to confirm it is a real person, you need a legitimate way to users to unsubscribe from receiving messages.
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