Deliverability is the difference between revenue and silence. When Gmail and Yahoo trust your domain, promos land in the inbox. When they do not, even great copy fails.
Start with authentication on your sending domain. Keep lists clean by removing hard bounces quickly. Send at steady volume instead of random spikes. Watch complaint rates and pause if they climb.
Nigerian senders often mix personal Gmail with business promos early on. Move to a verified domain before your list grows past a few thousand contacts. ISP filters treat sudden bulk sends from free mailboxes harshly.
Review your last three campaigns for bounces and spam complaints even if you are not ready for a big blast yet. Small fixes now prevent delivery drops during Black Friday or holiday promos.
Before a big import, run addresses through the email verifier. New domain? Ramp with email warmup. Track placement trends in inbox placement so you catch problems early.
Good deliverability is a habit, not a one-time fix. Create your free account and turn on the checks that keep campaigns out of spam.
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