January 21, 2021 11:25 AM, "Claus Assmann" <[email protected]> wrote:

> On Thu, Jan 21, 2021, Martin Vahlensieck wrote:
> 
>> I think the backslash at the beginning of the line is an error.
> 
> Why? Does it fail when used as described?
> 
>> -\eeric, "|/usr/bin/vacation -a allman eric"
> 
> Originally this was to avoid recursion, i.e.,
> \eric
> will not be expanded again.
> 
> Maybe that has been changed (with smtpd instead of sendmail) so it
> is not necessary anymore?
> 

It is unnecessary with smtpd.

If you have an alias which points to itself, you end up in two cases:

a- the alias key is not a user, in which case this is a cycle and the expansion 
fails
b- the alias key is a user, in which case this ends the expansion

Reply via email to