Why old domains are recommended for smtp configuration?
As the spam engine checks 3 different types of reputation along with DNS settings. Domain Reputation. SMTP Reputation IP Reputation.
To achieve inbox delivery and avoid the spam folder in 2025, mastering IP reputation and IP warmup techniques is no longer optional—it's essential. Marketers, agencies, and cold email experts are constantly searching for solutions to improve email deliverability, avoid blacklists, and ensure emails reach the primary inbox in Gmail, Outlook, and Yahoo. One of the most searched email marketing strategies today is dedicated IP warmup, which involves gradually increasing email volume over a clean IP