The maintenance dose of buprenorphine HCl and naloxone HCl sublingual tablets is generally in the range of 4 mg/1 mg buprenorphine/naloxone to 24 mg/6 mg buprenorphine/naloxone per day depending on the individual patient. Dosages higher than this have not been demonstrated to provide any clinical advantage.
Greylisting is a term used by services such as URIBL to designate aspects of sender reputation and overall deliverability. Currently, URIBL maintains a set of whitelists, blacklists and greylists. According to URIBL's website, a greylist is defined as:
adjective, grayer, grayest. 1. of a color between white and black; having a neutral hue. 2. dark, dismal, or gloomy: gray skies. 3. dull, dreary, or monotonous. 4. having gray hair; gray-headed.