Remove Bad Emails to Avoid Temporary Blocking

admin 0

Sometimes good email marketers who practice regular list hygiene are not able to deliver messages to a specific ISP because of a temporary block at the ISP. In this situation the messages usually bounce with the “too many invalid email addresses” error.

However, a temporary block issue is worth your attention too. At best, you won’t be able to deliver messages to your valid addresses or determine invalid ones until the block is removed GoDaddy email login. At worse, your emails will be the subject of a more severe blocking or even permanent blocking at that ISP if you don’t take measures.

Sender reputation is the key factor most ISPs take into consideration when deciding on the future of your newsletters. Regular sending to invalid email addresses is one of the problems that spoil your sender reputation. The others are spam complaints from recipients and a high bounce rate.

Bad email addresses are monitored by ISPs with the purpose to identify dishonest senders because it’s a common spammer’s tactic to send to huge mailing lists without actually taking care if the emails are valid or not.

When an ISP sees that a certain percentage of messages from the same sender go to invalid email addresses, it applies a temporary block. The rates that trigger temporary blocks with ISPs differ. ISPs don’t reveal their thresholds in order to make it impossible for spammers to adjust their list size to avoid block. This is the ISP’s security measure.

Leave a Reply

Your email address will not be published. Required fields are marked *