Optimizing routing information involves several steps:
Authenticate Emails: Implement SPF, DKIM, and DMARC records to authenticate your emails and improve deliverability. Monitor IP Reputation: Regularly check the reputation of your sending IP address to ensure it is not blacklisted. Use Reliable SMTP Servers: Choose robust and reliable SMTP servers for sending your marketing emails. Analyze Delivery Reports: Continuously monitor and analyze delivery reports to identify and resolve any routing issues.