What is a good independent guide to IP warming?
Summary
What email marketers say12Marketer opinions
Email marketer from SendGrid explains that IP warming is the process of gradually increasing sending volume on a new IP address to build a positive reputation. They advise starting with your most engaged subscribers and gradually increasing the volume over several weeks.
Marketer from Email Geeks shares a Kickbox blog post: <https://blog.kickbox.com/what-is-ip-warming-why-is-it-important/>, noting it's the first in a five-part series with good information.
Email marketer from EmailGeeks forum explains to not mass mail new IPs. They recommend you start by sending to people who want to receive mail first then build up.
Marketer from Email Geeks shares two independent resources from Laura Atkins and Al Iverson: <https://wordtothewise.com/2014/04/warmup-ip-addresses/#:~:text=What%20warming%20up%20is%20about,mail%20that%20recipients%20interact%20with.> and <https://www.spamresource.com/2020/09/what-is-ip-warming.html>
Email marketer from Reddit explains to ensure the new IPs get good reputation with major ISPs. They recommend that start with small amounts, and gradually ramp it up over several weeks. Monitor your sender reputation using tools like Google Postmaster Tools.
Email marketer from Gmass shares that a major part of warming up your IP address is sending emails consistently. Gmass recommends you to only send emails to recipients who want to receive your emails, at the very start of the warm up process.
Marketer from Email Geeks shares an older but relevant Validity blog post: <https://www.validity.com/blog/how-warm-is-warm-thinking-about-your-ip-address-warm-up-process/>.
Email marketer from Omnisend discusses IP warm-up as essential for new IP addresses to prevent deliverability issues. They suggest starting with a low sending volume to engaged subscribers and steadily raising it over a few weeks, while continuously observing deliverability rates.
Email marketer from Reddit explains to warm-up an IP address before doing full send and shares that you need to start slowly. They recommend that build trust gradually with ISPs by sending small volumes of emails to engaged subscribers first.
Email marketer from MailerLite explains that IP warming helps establish your credibility with ISPs. They recommend starting with a small group of your most active subscribers and gradually increasing volume based on positive engagement, such as opens and clicks.
Email marketer from Mailjet shares that warming up an IP address means sending emails in small batches and slowly increasing the volume. Mailjet recommends starting with a small number of subscribers and increasing the send volume daily, monitoring sender reputation, and being patient.
Email marketer from ActiveCampaign shares that an IP warm-up strategy involves gradually increasing the amount of email sent from a new IP address. They advise segmenting your list and sending to the most engaged contacts first, monitoring sender reputation, and adjusting the sending schedule accordingly.
What the experts say2Expert opinions
Expert from Word to the Wise explains that warming up an IP address is about showing mailbox providers that you are a legitimate sender. Atkins advises sending mail that recipients interact with, as the goal is to establish a positive reputation.
Expert from Spam Resource explains that IP warming is the process of gradually increasing the volume of email sent from a dedicated IP address over time, to establish a reputation with mailbox providers.
What the documentation says4Technical articles
Documentation from Amazon Web Services explains that IP warm-up involves gradually increasing the volume of email sent from a dedicated IP address to establish a positive reputation with ISPs. They recommend starting with small volumes and gradually increasing over time, monitoring deliverability metrics to ensure emails are reaching the inbox.
Documentation from SparkPost details IP warming as a method for establishing a sending reputation. They recommend beginning with low volumes to engaged users and slowly increasing as reputation grows, paying close attention to bounce rates and feedback loops.
Documentation from Postmark explains IP warm up requires to send emails in small batches to avoid being detected as spam and shares it is important to get the process just right. Postmark recommends that you start by sending to only your best subscribers who want to receive and interact with the emails.
Documentation from Google Workspace Admin Help explains IP warming as a process for new IPs sending email to Gmail users. It emphasizes gradually increasing volume, sending high-quality content that recipients want, and monitoring spam complaints to ensure good deliverability.