Should I mail unengaged users during an ESP migration?

Marketer from Email Geeks suggests tracking the results to determine if mailing to inactives is worthwhile. They say that the benefits from mailing to inactives turn out to be almost entirely fictional in their experience.

Email marketer from Mailjet Blog explains that during an ESP migration, it's crucial to handle inactive subscribers carefully. They recommend segmenting inactive users and creating a specific re-engagement campaign to warm them up before sending regular emails from the new ESP. This helps to protect your sender reputation on the new platform.

Email marketer from Sendinblue's Blog responds that prior to switching ESPs, segment your list and run a re-engagement campaign. Identify inactives and ask if they want to remain subscribed. Remove those who don't respond to maintain a healthy list. This prevents harming your reputation on the new ESP with a large segment of unengaged contacts.

Email marketer from Reddit explains to proceed with caution. They advise segmenting inactives and running a re-engagement campaign *after* the migration is complete and your new IP/domain reputation is established. They strongly advise against sending to the entire inactive list during the initial migration phase.

Email marketer from EmailonAcid advises cleaning your email list, and removing unengaged subscribers. Starting with a clean list enhances deliverability and ensures a positive sender reputation with your new ESP. Avoid sending to unengaged users who are likely to mark your emails as spam.

Marketer from Email Geeks explains that a good reputation allows flexibility in sending, even when doing something out of the norm. They mention that sending with your domain can/will follow the domain.

Email marketer from Litmus suggests cleaning your email list before migrating to a new ESP. This involves removing unengaged subscribers. Sending to a clean, engaged list ensures better deliverability and a stronger sender reputation with your new ESP.

Email marketer from Campaign Monitor shares that maintaining a healthy email list is essential during an ESP migration. Sending to unengaged users can harm your deliverability and sender reputation. Focus on migrating engaged subscribers first and gradually re-engaging inactive users separately.

Email marketer from Email Geeks recommends against mailing unengaged users during an ESP migration, suggesting building a good reputation on the new system first. They suggest developing a strategy for re-engaging inactive users, considering legal restrictions and timing it after the new system is warmed up. They caution that providers can detect bad behavior and associate it with your brand.

Email marketer from Gmass responds that prior to migrating you should use a re-engagement campaign. This can be to a small group to get them interested in your product again and reduce the number of subscribers being migrated.

Expert from Email Geeks suggests segmenting and closely monitoring the underengaged audience. They suggest that there may be some value in that underengaged audience, but only to a point. They also suggest re-Kickboxing the data to remove old contacts.

Expert from Spam Resource explains it's crucial to warm up your IP address properly, especially when switching ESPs. This involves gradually increasing your sending volume to engaged users to build a positive reputation. Sending to unengaged users during this phase can negatively impact your deliverability.

Expert from Word to the Wise explains that cleaning your list is a very important thing to do before migrating to a new ESP. They mention that an unengaged list can really hurt your sending reputation.

Documentation from Google Postmaster Tools explains that when migrating to a new ESP with new IPs, it is important to gradually 'warm up' the IP address by slowly increasing sending volume to engaged users. Sending large volumes to unengaged users immediately can negatively impact sender reputation and deliverability.

Documentation from SparkPost explains the importance of warming up new IP addresses when migrating to a new ESP. Start by sending small volumes of emails to your most engaged subscribers and gradually increase the volume over time. Avoid sending to unengaged users during the warmup process to protect your sender reputation.

Documentation from Mailchimp recommends that you should Clean your list before you migrate to Mailchimp. Remove unengaged subscribers to ensure better deliverability and a positive sender reputation. Sending to a large number of unengaged subscribers can negatively impact your sending reputation and deliverability.