Objects to be identified and cleaned

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The EU's widely influential General Data Protection Regulation (GDPR), compliant operations in the email marketing field have become the bottom line for the survival and development of enterprises. As a key link in the compliance chain, email verification bears the responsibility of ensuring the legitimacy of data and the user's right to know.
At the beginning of collecting email addresses, companies must clearly inform users of the purpose of the data and obtain the user's voluntary consent; then, through a rigorous verification process, confirm the authenticity of the user's identity and their continued willingness to receive emails. Avoid facing huge fines, legal proceedings and other consequences due to violations.

2. Mailbox cleaning: precise "descaling"
1. Incorrectly formatted mailboxes: This type of mailbox has obvious grammatical flaws, such as the lack of the "@" symbol, incorrect domain name suffix, etc. They are usually caused by user input errors or data entry errors, and cannot receive emails at all. If they are retained in the mailing list, they will only increase the number of invalid sends and consume valuable resources.
2. Invalid domain name mailboxes: Some mailboxes corresponding to domain names that once existed but are now cancelled or invalid are like "ghost mailboxes". With the rapid changes in the Internet, some small nigeria telegram number database websites or companies have gone bankrupt, their domain names have expired, and the mailboxes associated with them can no longer be used normally. Sending emails to such mailboxes will inevitably encounter a high bounce rate, which seriously affects the overall effectiveness of email delivery.
3. Long-term inactive mailboxes: If an email address has never opened any marketing emails or participated in any interactive behaviors for a long period of time (such as more than one year), then there is a high probability that the mailbox has been abandoned or rarely used by the user. Continuing to send emails to such "sleeping mailboxes" will not only fail to achieve the expected results, but may also cause user disgust and even be reported as spam.

2. Strategies for implementing mailbox cleaning
1. Use professional tools: There are many powerful mailbox cleaning tools on the market. They rely on advanced algorithms and huge databases to quickly and accurately identify various types of invalid email addresses. Verifying the authenticity of email addresses can effectively improve the successful delivery rate. Geeksend email verification tool can ensure that no invalid email addresses pass verification.
2. Set interaction monitoring thresholds: Establish a complete email interaction monitoring system to track behavioral indicators such as the number of opens, link clicks, and email replies for each email address. Once a mailbox is below the preset interaction threshold within a specific time period, such as no emails have been opened for three consecutive months, it will be included in the mailbox cleaning list for further verification and cleaning. Through this dynamic monitoring mechanism, the quality of the email list is continuously optimized to maintain a close connection with active audiences.