Peter J. Holzer wrote:
To be fair, a simple mixup of sender and recipient in a case which
can only happen if the server uses an extension not defined in any
RFC is probably easy to miss (I had to read the sentence several
times to see what was wrong with it and I was specifically looking
for an error).
The RFC 821 text is:
| The sender-SMTP should send another command specifying whether to
| continue or abort the action.
Hector's source says:
| The SMTP sender should expect another reply before a new command
| may be sent.
Not only a simple mixup apparently.