Postfix strange problems. . . Redhat9 on postfix arise in a letter sent E07 : Nothing Ask what is the problem?    E06 : Not xxx@mail.com sent to : -->; RCPT TO:<xxx@mail.com>; "Nothing sent -- E07 : -->; RCPT TO:<xxx@mail.com>; "-- E08 : Can 't even quit -->; QUIT [ Closed window ]