Suped

Summary

The best IP warm-up strategy following an ESP server migration centers around gradually building a positive sender reputation. Begin by sending a low volume of emails to your most engaged subscribers, then steadily increase the volume over several weeks. Crucial elements include closely monitoring sender reputation and deliverability metrics, such as open rates, click-through rates, bounce rates, and spam complaints. Segmentation of your email list, creating engaging and relevant content, and avoiding spam traps by ensuring your list is clean and up-to-date are also vital. Consistent sending volume, as opposed to erratic sending patterns, helps avoid triggering spam filters.

Key findings

  • Start with Engaged: Prioritize sending to highly engaged subscribers to establish a positive sending reputation early on.
  • Gradual Volume Increase: Increase sending volume gradually over several weeks, rather than all at once.
  • Monitor Deliverability: Closely monitor deliverability metrics (open rates, clicks, bounces, spam complaints) to identify and address any issues promptly.
  • Segmentation is Key: Segment your email list to send relevant content to specific audience groups, boosting engagement.
  • Content Matters: Create engaging and valuable content that encourages opens, clicks, and conversions.

Key considerations

  • Sender Reputation: Building and maintaining a positive sender reputation is essential for long-term deliverability.
  • Avoid Spam Traps: Regularly clean your email list to remove inactive addresses and use double opt-in to prevent hitting spam traps.
  • Consistent Sending: Maintain a consistent sending volume to avoid triggering spam filters.
  • Ramp-Up Plan: A well-structured ramp-up plan is necessary for an effective IP warm-up strategy.
  • Adhere to Guidelines: Adhere to bulk sender guidelines for major email providers like Gmail and Microsoft

What email marketers say

10 marketer opinions

The best IP warm-up strategy after an ESP server migration involves a phased approach focused on building a positive sender reputation. Start by sending to your most engaged subscribers, gradually increasing volume over several weeks. Monitor key deliverability metrics like open rates, click-through rates, bounce rates, and spam complaints. Segmentation, engaging content, and avoiding spam traps are crucial for success.

Key opinions

  • Engaged Subscribers: Prioritize sending to highly engaged subscribers initially to generate positive engagement signals.
  • Gradual Volume Increase: Gradually increase sending volume over several weeks rather than sending large volumes immediately.
  • Monitoring Metrics: Continuously monitor deliverability metrics such as open rates, click-through rates, bounce rates, and spam complaints.
  • Segmentation: Segmenting email lists and sending relevant content to each segment helps in improving deliverability.
  • Content Engagement: Creating relevant and valuable content is vital to ensure subscribers engage with your emails.

Key considerations

  • Sender Reputation: A positive sender reputation is crucial; monitor and address any issues promptly.
  • Spam Traps: Avoid hitting spam traps by cleaning your email list and using double opt-in.
  • Consistency: Maintain a consistent sending schedule rather than sending emails erratically.
  • Feedback Loop: Adjust sending strategy based on feedback from mailbox providers.

Marketer view

Email marketer from Reddit explains that a typical warm-up schedule might involve sending a few hundred emails on day one, increasing to a few thousand by the end of the first week, and then continuing to scale up gradually in subsequent weeks. The exact numbers will depend on the size of your list and your existing sender reputation.

10 Nov 2023 - Reddit

Marketer view

Email marketer from Litmus shares that creating engaging content is crucial during IP warm-up. Content that is relevant and valuable to your subscribers encourages opens, clicks, and conversions, signaling to mailbox providers that your emails are legitimate and wanted. This can significantly improve your sender reputation and deliverability rates.

3 Nov 2024 - Litmus

What the experts say

2 expert opinions

Experts recommend a gradual IP warm-up by starting with low email volumes sent to engaged subscribers, then steadily increasing over weeks. Monitoring sender reputation and deliverability metrics is essential for a smooth transition. Maintaining consistent sending volume helps avoid spam filters and build a solid sender reputation; erratic volumes should be avoided.

Key opinions

  • Gradual Increase: Starting with low volumes and gradually increasing over several weeks is crucial.
  • Engaged Subscribers: Initial sends should target highly engaged subscribers.
  • Consistent Volume: Maintaining a consistent sending volume helps build a solid sender reputation.
  • Monitoring Metrics: Tracking sender reputation and deliverability metrics ensures a smooth transition.

Key considerations

  • Sender Reputation: Building and maintaining a positive sender reputation is paramount.
  • Erratic Volumes: Avoid erratic email volumes to prevent triggering spam filters.
  • Segmentation: Segmenting your list and personalizing messages enhances engagement.

Expert view

Expert from Word to the Wise Laura Atkins shares that maintaining a consistent sending volume during IP warm-up is crucial for building a solid sender reputation. They advise against sending erratic volumes of email, as this can trigger spam filters and negatively impact deliverability. Gradually increasing volume while monitoring engagement metrics is key to a successful warm-up process.

24 Jun 2022 - Word to the Wise

Expert view

Expert from SpamResource explains that a successful IP warming strategy involves starting with a low volume of emails to your most engaged subscribers and gradually increasing the volume over several weeks. Monitoring your sender reputation and deliverability metrics is essential to ensure a smooth transition. They highlight the importance of segmenting your list and personalizing your messages to maximize engagement.

19 Apr 2023 - SpamResource

What the documentation says

3 technical articles

Email delivery documentation emphasizes establishing a sending history by starting with small volumes and gradually increasing them, targeting engaged recipients initially. Monitoring delivery rates, user engagement, sender reputation, and addressing issues promptly are essential. A well-structured ramp-up plan is crucial for success.

Key findings

  • Establish History: Establishing a sending history is vital for new IPs, particularly with Gmail.
  • Gradual Increase: Gradually increasing volume over time is recommended by multiple sources.
  • Engaged Recipients: Starting with emails to engaged recipients is essential for a positive start.
  • Monitor Metrics: Monitoring delivery rates, user engagement, and sender reputation is crucial.

Key considerations

  • Bulk Sender Guidelines: Adhering to bulk sender guidelines is essential for successful delivery to Gmail.
  • Ramp-Up Plan: A well-structured ramp-up plan is needed for a successful IP warm-up.
  • Address Issues Promptly: Promptly addressing any delivery issues is critical for maintaining deliverability.
  • Adjust Schedule: Adjust sending schedule based on monitoring and reputation.

Technical article

Documentation from Google explains that for new IP addresses sending to Gmail, it's important to establish a sending history. They recommend starting with small volumes and gradually increasing them over time while monitoring delivery rates and user engagement. Adhering to their bulk sender guidelines is essential for successful delivery.

27 Feb 2024 - Google

Technical article

Documentation from Microsoft shares that to build a positive IP reputation, senders should start with a low volume of emails to engaged recipients and gradually increase the volume. Monitoring sender reputation and addressing any delivery issues promptly is critical for maintaining good deliverability.

4 Mar 2022 - Microsoft

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