5. Email marketing differs from spam (на основе www.emaillabs.com/best_practic... (объединение статей Opt-in policy + Complying with CAN-SPAM-7 key steps))
9. Designing email marketing message content (на основе www.emaillabs.com/email_market... (объединение статей раздела Creative: Design, Copywriting & programming))
10. Email marketing subject line design (на основе www.emaillabs.com/email_market... (объединение статей раздела Creative: Design, Copywriting & programming))