Douglas,

you omitted to tell us which Bugzilla version you're using.

2006/1/10, Douglas F. Calvert :
> Jan 10 15:05:05 bugbox postfix/sendmail[28751]: fatal: No recipient
> addresses found in message header
>
> This happens when I request a flag for a user that does not have
> access to the group the ticket is restrained to. It seems like


Is this by chance https://bugzilla.mozilla.org/show_bug.cgi?id=266147?

Regards
Marc

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