India, Oct. 20 -- Royal Mail customers in the UK are reporting problems with online parcel tracking, website functionality, and the mobile app, according to the latest customer feedback on Downdetector. The most prominent complaint is tracking information that fails to load, alongside reports of unresponsive buttons and repeated login requests.

However, the reports do not confirm that Royal Mail's entire delivery network is down. The company's latest published service update, dated October 19, said deliveries and collections would take place across the UK, although some local delivery offices were experiencing operational challenges.

Here is what customers need to know about the reported Royal Mail outage today, the possible reasons beh...