Re: 554 5.6.0 Message contains NUL characters

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Hi,

> relay=/raid1/imapconfig/socket/lmtp[/imap
> config/socket/lmtp], delay=0, status=bounced
> (host /imapconfig/socket/lmtp[/raid1/imapconfig/socket/lmtp] said: 554
> 5.6.0 Message contains NUL characters (in reply to end of DATA command))
>
> Is there an option to tell the imapd to be not so picky about RFC's and
> accept messages with NUL character?

This would break IMAP as the clients are not expecting NULs.

The solution is not to accept such mail or to strip the NUL before delivering 
to cyrus.

I'm not sure what MTA you are using, but the log message looks very 
postfix-ish to me. The message_reject_characters and message_strip_characters 
options are what you are looking for. They are available in postfix 2.3 or as 
patch for 2.2. If you are not using postfix you have to look for a similar 
solution for your MTA.

Kind regards,

Gerd
----
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