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. Signs Your List Needs Cleaning High bounce rates (above 2%) Low open or click-through rates over multiple campaigns High unsubscribe or complaint rates Many

engage with your emails, mail servers may route, bounce or block your emails. As a result, the engagement rate will further decline and damage your IP reputation

and timing improve relevance and conversions. Core KPIs Engagement: open rate, click-through rate (CTR), click-to-open rate (CTO). Deliverability: bounce and

your MX records are wrong or missing, emails sent to your domain may bounce or never arrive. They add reliability: You can publish more than one MX record so email

SMTP server; they use a managed relay that handles authentication (SPF, DKIM, DMARC), IP reputation, throttling and bounce processing automatically. SMTP is

open rate, click-through rate, and deliverability. Continuing to email disengaged users may lead to: Higher bounce rates Increased chances of being marked as spam

prospects' behaviour, resorting to "web tracking" tools is an efficient solution. It enables you to get elaborate data like the turnover by visitor, the bounce

contacts Previous question Next question You might also be interested in: How to Fix Error 451 (Local Policy Violation or Greylisting) SMTP error 451 is a soft bounce

bounce folder... Read more Does Mailpro support images and hotspots for click statistics? Yes — Mailpro tracks every individual click on images, hotspots and

error 451 is a soft bounce: the receiving server is asking to try again later. The two most common... Read more How to Fix Error 530 (Authentication Required