java 开发的邮件服务器平台。支持以下协议。 协议可以修改为自己的专门标识

				# FLAGS				C: f1 FETCH 1:4 (FLAGS)				S: \* 1 FETCH \(FLAGS \(\)\)				S: \* 2 FETCH \(FLAGS \(\)\)				S: \* 3 FETCH \(FLAGS \(\)\)				S: \* 4 FETCH \(FLAGS \(\)\)				S: f1 OK FETCH completed								#Simple store				C: f1 STORE 1 FLAGS (\Deleted)				S: \* 1 FETCH \(FLAGS \(\\Deleted\)\)				S: f1 OK STORE completed								C: f1 FETCH 1 (FLAGS)				S: \* 1 FETCH \(FLAGS \(\\Deleted\)\)				S: f1 OK FETCH completed								#Override previous value (silent)				C: f2 STORE 1 FLAGS.SILENT (\Draft \Flagged)				S: f2 OK STORE completed								C: f1 FETCH 1 (FLAGS)				S: \* 1 FETCH \(FLAGS \(\\Draft \\Flagged\)\)				S: f1 OK FETCH completed								#Add to existing flags				C: f2 STORE 1 +FLAGS (\Deleted)				S: \* 1 FETCH \(FLAGS \(\\Deleted \\Draft \\Flagged\)\)				S: f2 OK STORE completed								C: f1 FETCH 1 (FLAGS)				S: \* 1 FETCH \(FLAGS \(\\Deleted \\Draft \\Flagged\)\)				S: f1 OK FETCH completed								#Remove from existing flags (silent)				C: f2 STORE 1 -FLAGS.SILENT (\Draft)				S: f2 OK STORE completed								C: f1 FETCH 1 (FLAGS)				S: \* 1 FETCH \(FLAGS \(\\Deleted \\Flagged\)\)				S: f1 OK FETCH completed								C: f4 STORE 3:4 FLAGS (\Flagged)				S: \* 3 FETCH \(FLAGS \(\\Flagged\)				S: \* 4 FETCH \(FLAGS \(\\Flagged\)				S: f4 OK STORE completed								C: f1 FETCH 1:4 (FLAGS)				S: \* 1 FETCH \(FLAGS \(\\Deleted \\Flagged\)\)				S: \* 2 FETCH \(FLAGS \(\)\)				S: \* 3 FETCH \(FLAGS \(\\Flagged\)				S: \* 4 FETCH \(FLAGS \(\\Flagged\)				S: f1 OK FETCH completed