Revert "add email config parameter"
Revert "add email config parameter"

This reverts commit 1afba2bfaafc6da4e094fa041bfd0fb416aac93d.

P2Pvalue/teem,Grasia/teem,P2Pvalue/teem,Grasia/teem,P2Pvalue/teem,P2Pvalue/pear2pear,P2Pvalue/pear2pear,Grasia/teem