adduser and captical letters in user name

[walter harms]

Am 18.08.2011 09:42, schrieb Joakim Tjernlund:
> 
> Noticed that busybox(v1.14.2 so its old) doesn't allow capital letters in user names.
> Read on the net that some services (like sendmail) might lower cases all names before
> looking them up. The info I found was rather old though.
> 
> What is the deal with capital letters in user names these days?
> 

hi,

sendmail does not allow capitals because the mail protocol does not allow capitals.
Otherwise not all filesystems have a sane way to handle capitals what may lead to
funny results for /home/Foo and /home/foo.


re,
 wh