To improve the chances of your marketing emails passing through firewalls, consider the following strategies:
Authenticate Your Emails: Use authentication methods like SPF, DKIM, and DMARC to verify the legitimacy of your emails. Monitor IP Reputation: Regularly check the reputation of your sending IP and take steps to improve it if necessary. Optimize Email Content: Avoid using spammy words and ensure your content is relevant and valuable to the recipient. Maintain Clean Lists: Regularly clean your email list to remove invalid addresses and reduce bounce rates.