new e-mail on white paper

email white paper background design message communication template professional layout clean simple digital correspondence inbox send recipient subject text format header footer font reply forward email-client attachments signature email-marketing header-image body style composition contact branding typography visual html spam open-rate formatting response call- -action clarity message-structure template-design mobile-friendly user-experience email-design digital-message contact-information professionalism subject-line engagement visual-appeal footer-information customization communication-tool email-list user-interface plain-text email-security response-time marketing-emails personalization branding-consistency email-format content-delivery