Several common issues can affect the network performance of your email campaigns:
Email Throttling: ISPs may limit the number of emails sent from a single sender within a certain time frame, affecting delivery rates. IP Blacklisting: If your sending IP is blacklisted, your emails may be blocked or sent to the spam folder. Content Filters: Certain keywords or phrases can trigger spam filters, impacting email deliverability. Server Downtime: Downtime of your email server can delay or prevent your emails from being sent.