esp-recency

List validation integrations with ESPs and CRMs

HubSpot Last Engagement Date Email List Criteria Explained

Learn how HubSpot’s last engagement date impacts list hygiene. Clean your list using real-time verification and deliverability testing to improve inbox.

List validation integrations with ESPs and CRMs

Mailchimp Segment by Last Opened Date How to in 2026

Learn how to segment your Mailchimp list by last opened date. Improve engagement with precise recency filters and cleaner data from verified emails.

List validation integrations with ESPs and CRMs

Klaviyo Engaged in Last 90 Days Segment Definition Explained

Learn how to properly define a 'Klaviyo engaged in last 90 days' segment. Avoid common errors, improve deliverability, and reduce bounces with accurate.