If I were to be honest, skipping warm-up is the fastest way to land in spam. Even domains with good sender reputation need a warm-up phase when increasing volume or starting cold outreach — mailbox providers see a sudden spike as suspicious. 1. If the domain is brand-new 2. If the domain has been dormant […] The post Email Inbox Warm-Up Necessary? How long minimum? appeared first on Saleshandy.
