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:
Colours in the Bible. .....and their meaning... Grey. The colour grey in scripture is translated from the Hebrew word 'seybah' which signifies grey hair, hoary head and old age. The other Hebrew word is 'siyb' meaning greyheaded or to be grey. Thus we see the connection in scripture between grey and old age.