Do You Need a Dedicated IP?

Dedicated IP addresses in email sending can play a role in deliverability but are not a one-size-fits-all solution, as their effectiveness depends on the sender's specific circumstances. While a dedicated IP can provide greater control and is suitable for high-volume, consistent senders with expertise in deliverability practices, shared IPs are often more beneficial for senders with moderate volumes, inconsistent patterns, or those still establishing their reputation. This is because shared IPs leverage the established reputation of trusted senders, which can enhance inbox placement without the complexities of IP warming. The true driver of email deliverability lies in domain reputation, which is shaped by sender behavior, engagement, and adherence to best practices, unlike IP reputation which is becoming less relevant due to advancements like IPv6 and frequent provider changes. Ultimately, the choice between dedicated and shared IPs should align with sending habits, goals, and familiarity with email best practices, emphasizing the importance of building a strong domain reputation. Resend offers support and guidance in navigating these decisions and strategies for long-term success.