New Delhi, Oct. 19 -- WhatsApp is reportedly introducing a major change to tackle spam, limiting the number of messages users and businesses can send to people outside their contact lists who do not reply. The move aims could curb unwanted notifications and promotional messages, giving users a quieter, more manageable inbox.

The messaging giant, originally designed for chatting with friends, has grown into a multifaceted platform hosting communities, business accounts, and customer service channels. With this expansion has come an increase in unsolicited messages, leaving many users swiping through endless pings from strangers.

To address this, WhatsApp is trialling a monthly cap on messages sent to non-contacts who do not respond, repo...