Re: Allowing @ in user names?
On Sat, 7 Oct 2006 18:46:08 +0200, "Izak Burger" <firstname.lastname@example.org>
>On 10/7/06, Marc Haber <email@example.com> wrote:
>> Is there any potential breakage to allow adduser --force-badname to
>> create accounts with @ in user names?
>The only thing that immediately comes to mind is that of a MTA that
>has to deliver mail for this user. For example, when cron runs a job
>and needs to send the output to the owner of the cronjob, there will
>be some ambiguity as to whether the part after the @ is part of the
>username or in fact a domain name. This is especially true when
>setting MAILTO in a crontab.
Exim4 does not accept mail for user accounts with @ in the local part
over SMTP and correctly handles local mail if properly quoted.
In this case, if anything regarding e-mail breaks, I think that the
local admin gets to keep both pieces.
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