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290380Re: using the character @ in the local part

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  • martijn.list
    Jan 3, 2013
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      On 01/03/2013 04:12 PM, Michael Blessenohl wrote:
      > Am 03.01.2013 06:05, schrieb Viktor Dukhovni:
      >> On Thu, Jan 03, 2013 at 04:49:50AM +0100, Michael Blessenohl wrote:
      >>
      >>> /var/log/mail.info:
      >>> Jan 3 03:09:45 hostname postfix/smtpd[5781]: connect from
      >>> mail-we0-f173.google.com[74.125.82.173]
      >>> Jan 3 03:09:45 hostname postfix/smtpd[5781]: warning: Illegal
      >>> address syntax from mail-we0-f173.google.com[74.125.82.173] in RCPT
      >>> command: <"@"@...>
      >> The RFC specifies the maximal valid character set for email addresses.
      >> Not all the constructs in this maximally valid character set are
      >> safe on security, anti-relay, robustness, legacy-compatibility and
      >> other grounds.
      >>
      >> This thread is a dead-end. If you want to waste your time, you could
      >> try setting:
      >>
      >> resolve_dequoted_address = no
      >>
      >> that might help, but I would not bet on it.
      >>
      >
      > Um, it still doesn't work. Now I get a bounce with the error message
      >
      > 554 5.7.1<@@...>: Relay access denied (state 13)
      >
      > why does it dequote the address? The RCPT TO command was using the
      > quoted address!

      Are you sure this is not reported by the policy daemon running on
      127.0.0.1:10023

      in your smtpd_recipient_restrictions:

      check_policy_service inet:127.0.0.1:10023

      Kind regards,

      Martijn Brinkers

      --
      DJIGZO email encryption
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