Mailtester

Duplicated: Emails that appear more than once in your file. It is not recommended to send multiple times to the same email in the same campaign.

Traps: Emails whose mail server is managed by anti-spam organizations or security companies whose main goal is not communication, but to detect and identify spammers or senders using bad practices in email sending. A single send to one of these emails can penalize all your sends.

Unavailable: Disposable or temporary emails. They are not suitable for campaigns because they are abandoned, used for testing, to send spam, or to abuse some services.

Hard bounce: Emails that do not exist, have ceased to exist, or have formatting errors (for example, misspelled domain or incorrect syntax). These emails would bounce when sending.

Answer rate: Emails that have indicated they do not want to receive commercial communications or that our system identifies as non-interactive with the emails they receive.

Unsubscription successful: Emails of very widespread use or that tend to appear in commercial lists. They are usually in thousands of databases and receive a large number of emails daily, so they have less value for your campaigns.

Bounce Rate: Analize and delete low-quality subscribers

Speed of sending upgrades: by maintaining a good reputation with email providers (ISPs).

PRO account: This subscriber already exists in the list.

Blacklists appearance: by reducing bounces and the risk of sending to spam traps.

Domain authentication: by removing harmful or inactive addresses.

Conversion Rate Increase: by eliminating inactive subscribers with a low probability of opening your emails.