What is the definition of gray mail?

The definition of gray mail is:Emails sent to contacts that have provided consent but have stopped engaging. Gray mail refers to emails that are technically solicited,meaning the recipients initially opted into receive them,but overtime,their engagement dwindles or ceases altogether.These recipients may have lost interest in the content,changed email addresses,or simply become overwhelmed by the volume of emails they receive.Gray mail poses a challenge for email marketers because while the recipients have provided consent,their lack of engagement can lead to lower open rates,click-through rates,andoverall campaign performance.Asaresult,gray mail can negatively impact sender reputation and deliver ability if not effectively managed. Strategies for dealing with gray mail may include re-engagement campaigns,list segmentation based on engagement levels,and regular list hygiene practices to remove inactive subscribers.By addressing gray mail pro actively,email marketers can improve the quality of their email lists,enhance engagement rates,and maintain a positive sender reputation.Therefore,the definition of gray mail as emails sent to contacts that have provided consent but have stopped engaging accurately captures the nature of this email marketing challenge.