Choosing the right IP strategy for your sender reputation and deliverability.
When you send an email, receiving servers (like Gmail or Outlook) look at the IP address it's coming from. They use this IP to track your "reputation" as a sender.
Most small-to-medium senders start with shared IPs. These are IPs used by multiple customers of a sending service (like Amazon SES or SendGrid).
A dedicated IP is used exclusively by your Senddera installation. No one else's sending habits can affect your reputation.
As a general rule of thumb: