How do I warm up new IP addresses for email sending?
Summary
What email marketers say14Marketer opinions
Email marketer from GlockApps suggests using seed list testing to monitor inbox placement during IP warming. This provides insights into deliverability performance across different mailbox providers.
Email marketer from Email Marketing Forum emphasizes the importance of using suppression lists during IP warming to avoid sending to inactive or problematic email addresses. This prevents negative engagement signals.
Email marketer from MailerLite shares segmenting your list by engagement level allows you to target your most engaged subscribers first during the IP warming process, ensuring higher open and click rates.
Email marketer from SendGrid suggests establishing clear goals for IP warming, such as defining target sending volume and engagement rates. This helps in tracking progress and making necessary adjustments to the warming strategy.
Email marketer from Email on Acid explains that focusing on high-quality, engaging content is crucial during IP warming. This helps generate positive engagement signals (opens, clicks) that improve sender reputation.
Email marketer from HubSpot explains that properly authenticating your email with SPF, DKIM, and DMARC is essential for successful IP warming. Authentication verifies your identity to mailbox providers.
Marketer from Email Geeks recommends using the recipients / campaigns that are most likely to generate engagement (opens and clicks) because that will help get the IP warmer sooner.
Email marketer from Reddit suggests when warming up multiple IPs, stagger the warmup process and segment your email lists to avoid overwhelming mailbox providers. Start with your most engaged subscribers.
Marketer from Email Geeks explains that you shouldn't double the volume from one day to the next. Ie if it's 1000 one day on one IP, then don't send more than 2000 the next day.
Email marketer from Litmus suggests closely monitoring deliverability metrics (bounce rates, spam complaints) during the IP warming process. This helps identify and address any issues that may arise.
Marketer from Email Geeks shares it's worth separating transactional and other emails onto different IPs as that really helps mailbox providers to identify transactional and hopefully assign it a different reputation.
Email marketer from Campaign Monitor explains that maintaining consistent sending volumes during IP warming helps establish a predictable sending pattern, which improves sender reputation.
Email marketer from Mailjet shares that warming up your IP address is like introducing yourself to email providers. It’s a crucial step in building a good sender reputation and ensuring your emails reach your recipients’ inboxes.
Marketer from Email Geeks recommends starting IP warming off very low (200 messages per IP in the first day) and then gradually increase but never by more than 100%.
What the experts say5Expert opinions
Expert from Spam Resource shares that consistency is key during the IP warming process. Send emails at regular intervals and avoid large fluctuations in sending volume to maintain a stable reputation.
Expert from Spam Resource explains that when warming up an IP address, start with very low volumes of email and gradually increase the volume over time. This allows mailbox providers to learn about your sending habits and establish a positive reputation.
Expert from Spam Resource emphasizes the importance of properly authenticating your email with SPF, DKIM, and DMARC records. This helps verify your identity to mailbox providers and improve deliverability.
Expert from Word to the Wise responds that maintaining a clean and engaged email list is crucial during IP warming. Remove inactive or invalid email addresses to avoid sending to spam traps and damaging your reputation.
Expert from Word to the Wise explains that closely monitoring engagement metrics such as open rates, click-through rates, and bounce rates is essential for optimizing your IP warming strategy. This helps identify and address any issues that may arise.
What the documentation says4Technical articles
Documentation from Google details that gradually increasing sending volume, authenticating email, and monitoring sender reputation are key steps for new IP addresses. They also recommend segmenting sending volume and monitoring deliverability rates.
Documentation from RFC states that following SMTP standards and best practices for email transmission is crucial, especially during IP warming. Adherence to these standards improves deliverability.
Documentation from SparkPost explains that IP warming is the process of gradually increasing the volume of email sent from a new IP address to establish a positive sending reputation with mailbox providers. This helps ensure that your emails reach the inbox instead of being marked as spam.
Documentation from Microsoft recommends monitoring their Sender Support pages and following their guidelines to ensure optimal deliverability when warming up new IPs. They emphasize consistent volume and authentication.