Penny Black VR official Penny Black VR official The VR official was one of three postage stamps introduced by the United Kingdom of Great Britain and Ireland in May 1840 for the pre-payment of postage. While the Penny Black and the Two Pence Blue were for use by the general public, as were the Mulready envelopes and letter sheets, the VR official was for use on official mail. In appearance the VR Official was the same as the issued Penny Black except that the Maltese crosses in the top corners were removed and replaced by the letters V and R, hence its common name.
Penny Black (research project) spammers. Using these methods to reduce spam will also require these policies to be universal amongst mail clients. Intended mass email may also not work as intended. For example, subscribers to a particular email service may end up getting their emails with a significant delay while the email service will also become an increased expenses to the provider. Penny Black (research project) The Penny Black Project is a Microsoft Research project that tries to find effective and practical ways of fighting spam. Because identifying spams consumes a recipient's time, the idea is to make the sender of emails "pay" a