Hello all

Postfix doesn't like very special email addresses (please note the '-'
character at the beginning and at the end of the local part):

-user-some.domain (--> invalid recipient syntax)

logfile:
Aug 6 17:22:34 cicero postfix/qmgr[1481]: print string: -gugus-swissonline.ch
Aug 6 17:22:34 cicero postfix/qmgr[1481]: print string: invalid recipient syntax: "-gugus-swissonline.ch"
Aug 6 17:22:34 cicero postfix/qmgr[1481]: print string:
Aug 6 17:22:34 cicero postfix/qmgr[1481]: mail_scan_any: read integer: 0
Aug 6 17:22:34 cicero postfix/qmgr[1481]: 17A8D3BA40: to=<-gugus-swissonline.ch>, relay=none, delay=58, status=bounced (invalid recipient syntax: "-gugus-swissonline.ch")

As of RFC 822 I believe the '-' characters should be a valid character
in the local part of the email address:

    local-part = word *("." word) ; uninterpreted
                                                ; case-preserved
    word = atom / quoted-string
    
    atom = 1*<any CHAR except specials, SPACE and CTLs>
    
    specials = "(" / ")" / "<" / ">" / "" ; Must be in quoted-
                / "," / ";" / ":" / "\" / <"> ; string, to use
                / "." / "[" / "]" ; within a word.
                
I should be able to send emails to this kind of email adresses. Is this
behaviour a feature of postfix or do I mix different things?

Thank you very much
-- Beat

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