[CentOS] Kind of OT: internal imap server

Aleksandar Milivojevic wrote:
> Feizhou wrote:
>> i did...there is none for helo but i missed the client_$$$ bunch somehow.
> 
> As I wrote already, the argument of HELO/EHLO is in $s (well, you'd use 
> delayed expansion in rulesets to get what you really want, so you would 
> actually use $&s).  When sendmail reads its configuration file, $s 
> contains the name of the local host.  After HELO/EHLO it will be 
> assigned whatever was the argument of HELO/EHLO.

OH, so that was what the $s represented. Thanks.