{"id":32570,"date":"2016-11-23T13:30:23","date_gmt":"2016-11-23T13:30:23","guid":{"rendered":"https:\/\/www.retarus.com\/blog\/graymail-or-the-tricky-gray-zone-between-newsletter-and-spam\/"},"modified":"2026-08-06T10:38:21","modified_gmt":"2026-08-06T10:38:21","slug":"graymail-or-the-tricky-gray-zone-between-newsletter-and-spam","status":"publish","type":"post","link":"https:\/\/www.retarus.com\/blog\/it\/graymail-or-the-tricky-gray-zone-between-newsletter-and-spam\/","title":{"rendered":"Graymail … or the tricky gray zone between newsletter and spam"},"content":{"rendered":"