please use content modifier before sftp step. first, create exchangeProperty with concatenate values ${date} and constant 'ffffff', than use this value in sftp step sorry for my bad english
Unfortunaly when I use this grant_type = urn:ietf:params:oauth:grant-type:jwt-bearer I get error
{
"error": "unsupported_grant_type",
"error_description": "Invalid grant_type: jwt_token"
}
Please show screenshot of Connection Tab for mail adapter. What kind of email smtp-server do you use? Is this smtp-server is public or it is embeded in CPI?