District mail filters scan, hold, and quarantine vendor PDFs without a bounce. The Hosted One-Pager Swap replaces the attachment with one link, keeps your tracking, and sends the PDF only after the buyer replies.
Before you email a district list, send a seed test to a monitored inbox panel and read exactly where each copy lands. Here is how school vendors catch a spam-folder problem while it is still fixable.
Open rates jumped while replies fell — Gmail’s machine opens are polluting K-12 campaign reports. Here are the metrics that still mean something in 2026 and a template for reporting district outreach honestly.
Google districts and Microsoft districts now filter vendor email in different ways. This reference splits your K-12 playbook by platform, from authentication thresholds to link handling, and shows how to sort any list by MX record.
A 40-person EdTech vendor watched district replies fall by half while open rates never moved. See the two-sentence rewrite rule for the AI inbox — proven in a six-week test across 5,400 district contacts — that lifted replies 38%.
How to Solve the Most Common K-12 Marketing Email Delivery Problems. [Infographic]
Email Deliverability Tips for Every K12 Marketer to Help Your Business Grow.
Sending a Successful Email with Good Deliverability Using K12Prospects.