Is a dedicated IP address suitable for a compliant sender with a weekly sending pattern of 1M+ emails, and how should it be warmed up?
Summary
What email marketers say8Marketer opinions
Email marketer from Gmass shares that the key to warming up an IP address is consistency and gradual increases in volume. They advise sending emails to active and engaged recipients during the warm-up, focusing on reputation. For large volumes over time you can increase volumes over time.
Email marketer from Campaign Monitor shares that good sending practices ensure high levels of authentication and sending to engaged subscribers for the best chance of warming up.
Email marketer from Email Marketing Forum suggests that a weekly volume of 1M+ is generally sufficient for a dedicated IP, but recommends segmenting your list and sending to the most engaged users first during the warm-up phase. They also caution against sending to unengaged subscribers, as it could negatively impact your reputation.
Email marketer from SendGrid shares that dedicated IPs are best for senders with consistent volume and good sending practices. While weekly sends are possible, the key is to ensure the volume is high enough to maintain a good reputation, and to monitor deliverability metrics closely.
Email marketer from Litmus shares the best method for ensuring your reputation is to use monitoring tools like Google Postmaster Tools or Microsoft SNDS to ensure you are across complaints and spam traps and sending is performing well.
Email marketer from Email on Acid explains that IP warm-up should be phased, beginning with smaller volumes sent to your most engaged subscribers. Increase volume gradually over several weeks, using engagement as a key metric. For a weekly sender, plan the warm-up around the weekly send to minimize potential reputation dips.
Email marketer from Mailjet explains that a dedicated IP address is suitable for senders looking for increased control and reputation management. The article outlines the suitability for high volume senders who maintain consistent email practices, suggesting weekly sends of 1M+ could qualify if other reputation factors are strong.
Email marketer from Reddit suggests a slow and steady approach to IP warm-up. They recommend starting with a small percentage of your total volume and gradually increasing it daily or every other day, while closely monitoring your sender reputation. They warn against sudden volume spikes, especially with a weekly send pattern.
What the experts say5Expert opinions
Expert from Email Geeks answers that a weekly sender with volumes of 1M+ is a fine candidate for a dedicated IP. He explains that IP reputation generally takes 30+ days to fade and many large senders send only weekly.
Expert from Email Geeks agrees with Laura's advice that the number of sends is more important that the time period, and that this is a good way to frame IP warm up.
Expert from Email Geeks shares that in her experience, warmup is based on the number of sends, not the time period. She suggests warming up IPs by spreading sends to gain reputation faster, then tapering to weekly sends.
Expert from Word to the Wise explains that when warming up an IP address, especially with irregular sending patterns, prioritize sending to your most engaged audience first. Monitor engagement and complaints closely during this period. It's much better to send to people who want the mail.
Expert from Spam Resource explains that warming up a dedicated IP with an intermittent sending schedule (like weekly) can be challenging because it's harder to establish a consistent sending reputation. Requires careful planning and monitoring.
What the documentation says5Technical articles
Documentation from AWS explains that warming up a dedicated IP involves gradually increasing sending volume over time. They advise starting with small batches and slowly increasing the volume daily or weekly, while closely monitoring deliverability and engagement metrics to avoid damaging the IP's reputation.
Documentation from SparkPost explains that dedicated IPs are suitable for senders with consistent volume, and that weekly sending patterns can work well if the volume is high enough (e.g., 1M+). They emphasize maintaining a good sender reputation through authentication and engagement.
Documentation from Google Postmaster Tools explains the importance of IP reputation for deliverability. It advises monitoring your IP reputation and ensuring it remains high by adhering to best practices, such as authenticating your emails and maintaining low spam complaint rates, to ensure consistent delivery even with weekly sending patterns.
Documentation from Microsoft SNDS explains the importance of using tools like SNDS (Smart Network Data Services) to monitor the health of your dedicated IP. They advise monitoring complaint rates, spam trap hits, and other metrics to identify and address potential issues that could impact deliverability, especially with less frequent sending schedules.
Documentation from RFC explains standards such as proper EHLO/HELO configurations with your sending domain and the importance of setting up SPF, DKIM and DMARC records correctly.