investigation about the letter attributed to imam sajjad to zohri

a letter of ali ibn- hussein (peace be upon him) to mohammad ibn- moslem known as ibn- shahab zohri has been mentioned in some resources. in this letter, zohri has been reproached by ali ibn-hussein for his cooperation with bani omayeh. this letter is usually cited as an evidence in analysis of imam sajjad's political and social positions. surveying the resources and numerous books shows that tohaf al- oghoul written by ibn shobeh harrani is the oldest present resource in citing this letter. ibn shobeh has cited no evidence for this letter. surveying the content of this letter shows that the interpretations used in this letter are in contradiction with the age, deviation degree and scientific level of zohri in time of imam sajjad. based on surveying the evidence and content of this letter, it can not be accepted that the mentioned letter has been written by imam sajjad to zohri and it is necessary to consider other hypothesis in th