SMTP Settings  

Log: ^L
Sending Channels Limit: ^S
^DSend Directly ^VForward Forwarding Server: ^F
Retry Every: ^E Keep Trying for: ^R
Channels/Host: ^H Add Channel after: ^A

Receiving Channels Limit: ^T
Message Size Limit: ^I ^PVerify Return Paths
^WSend Wakeups Every: ^U to: ^K

Relaying
^YRelay for Clients Only ^XRelay to All Hosts We Backup
^M