Maintaining a clean and engaged email list by removing inactive or invalid addresses.

A two-step process where subscribers confirm their email address before joining a list.

Dividing your email list into smaller groups based on shared characteristics.

An email authentication method used to prevent sender address forgery.

An email authentication method that adds a digital signature to outgoing emails.

Understanding the reasons why emails bounce (hard bounce: permanent failure, soft bounce: temporary issue).

Key performance indicators (KPIs) used to measure the success of email campaigns (e.g., open rate, click-through rate, conversion rate).

Techniques for writing compelling subject lines that increase open rates.

A short summary text that appears after the subject line in some email clients.

Designing emails that can be read and understood by people with disabilities.