There are several types of alerts that you should monitor in your email marketing campaigns:
1. Deliverability Alerts: These inform you about issues related to getting your emails into your subscribers' inboxes. 2. Bounce Alerts: These notify you when emails are bouncing back, indicating problems with email addresses or servers. 3. Spam Complaints: Alerts you when recipients mark your emails as spam, potentially damaging your sender reputation. 4. Open Rate Alerts: Indicate sudden drops or spikes in your open rates, which could signify issues with subject lines or content. 5. Click-Through Rate (CTR) Alerts: Notify you about changes in how often recipients are clicking on your links. 6. Unsubscribe Alerts: Inform you about increases in unsubscribe rates, which could point to dissatisfaction with your emails.