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:
Grey is the natural color of some metals and stone, but it also has some negative associations with the weather, boredom, decay and old age. Grey is a mixture of black (death) and white (peace) and is the color of ashes and dust. As such it is also associated with death and mourning.