Ondrej Sury wrote:
please change the option 'lmtp_downcase_rcpt:' in /etc/imapd.conf to
'yes' as the default. It is disabled by default so that usernames become
case sensitive.
I am for keeping status quo.
If you want to setup such _complicated_ mailserver as cyrus is, then you
are obliged to read documentation first and then you don't have this
problem.
That is true, and I did so, and I even did a testing installation and
mail spool conversion on a workstation to the fullest extend before
touching the mail server that was upgraded. What should I have done more?
Where in the documentation is pointed out that the treatment of user
names has become caseful?
Why are user names treated caseful by default? The common default in
this particular context is treating them caseless.
I'm sorry, but I do not see much sense in using a default setting that
introduces a _highly_ unusual behavior that most users will _not_ want
to have. Argueing that you won't get that behaviour by following the
obligation to read the documentation is questionable for four reasons:
First, we all are not perfect and make mistakes.
Second, it appears to be likely enough that the readers will overlook
the hint in the documentation that points out that there's such an
unusual behaviour (provided that there is such a hint).
Third, there's not much sense in using a default setting that is so
likely to give problems and that therefore is so likely to be changed by
users anyway, but not before causing them --- and maybe others who anser
their questions posted into mailing lists -- some otherwise unneccessary
headache.
Fourth, if the default setting were reasonable, I won't have had the
problem in the first place ;)
One of the great things with Debian is that the installer doesn't do
anything one might not want it to do without asking first, and another
is that the defaults which are beeing used are very reasonable MOTT.
Making user names case sensitive like cyrus-imapd silently does somehow
contradicts that.
And at last, that your oblieged to read the documentation is a very thin
argument for keeping a status quo rather than improving things,
especially when the effort needed to make the improvement is so little :)
You should check the logs anyway, so what's the problem?
Yes, you should do that, and of course I'll continue to watch closely
what's going on for another week or so.
But you cannot all the day keep your eyes on the monitor displaying the
logs. That mail is rejected because user names have become caseful is
something you will notice only later, and _after_ the damage is done, i.
e. the mail has already been rejected.
It hasn't been a serious issue in this particular case, but others might
have greater problems with it.
GH
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