Here are some solutions to mitigate connectivity issues:
Use Reliable Email Service Providers: Opt for reputable ESPs known for high deliverability rates. Monitor and Maintain Servers: Regularly monitor and maintain your email servers to minimize downtime. Follow Best Practices: Adhere to email marketing best practices to avoid ISP restrictions. Improve Internet Connectivity: Ensure a stable and robust internet connection for seamless email sends. Adjust Security Settings: Fine-tune firewall and security settings to allow legitimate email traffic.