Recipients of fake "Royal Mail Fee To Pay" text messages asking them to click a link for a fee are asked not to follow the instructions in them. The link goes to a fake or phishing Royal Mail website created by scammers that steals account credentials, personal, or financial information. Any personal and financial information submitted on the fake and phishing Royal Mail will be used fraudulently by the scammers. Therefore, if you have been tricked by the scam, please contact your bank for help.
If you have received a "Royal Mail Fee To Pay" Redelivery scam text, please post it along with the telephone number it came from in a comment below to help info others.