Hello.

I already discussed my problem on github a little bit at 
https://github.com/Exim/exim/issues/38 but still did not figure
out what is going wrong.

Here my setup. It's a gentoo machine with exim 4.8.5. Tried 4.8.7_rc2 too. 
Same result.

I have a authenticator configured just like suggested at:
https://github.com/Exim/exim/wiki/AuthenticatedSmtpUsingPamAndPasswords

My problem is, as soon as i use /wrong/ credentitials i get "Unable to 
authenticate at present (set_id=username): missing or misplaced { or }". If i 
use the right credentials no problems at all.

When i try to simulate this on the command line (as suggested at github) i 
get:

Wrong user:

exim # exim -be '${if exists{/etc/exim/passwd} 
{${lookup{eitadmin}lsearch{/etc/exim/passwd} {${if crypteq{test}
{\{md5\}${extract{1}{:}{$value}{$value}fail}} {true}{false} }} {${if 
pam{eitadmin:${sg{MyPassw0rd}{:}{::}} } {true}{false}} } }} {${if 
pam{eitadmin:${sg{MyPassw0rdaaa}{:}{::}} } {true}{false}} }}'
Failed: missing or misplaced { or }

User exists in /etc/exim/passwd:

serve exim # exim -be '${if exists{/etc/exim/passwd} 
{${lookup{testuser}lsearch{/etc/exim/passwd} {${if crypteq{test}
{\{md5\}${extract{1}{:}{$value}{$value}fail}} {true}{false} }} {${if 
pam{testuser:${sg{MyPassw0rd}{:}{::}} } {true}{false}} } }} {${if 
pam{testuser:${sg{MyPassw0rdaaa}{:}{::}} } {true}{false}} }}'
true
serve exim # exim -be '${if exists{/etc/exim/passwd} 
{${lookup{testuser}lsearch{/etc/exim/passwd} {${if crypteq{testit}
{\{md5\}${extract{1}{:}{$value}{$value}fail}} {true}{false} }} {${if 
pam{testuser:${sg{MyPassw0rd}{:}{::}} } {true}{false}} } }} {${if 
pam{testuser:${sg{MyPassw0rdaaa}{:}{::}} } {true}{false}} }}'
false

So buttom line is. If the user does not exists i get "missing or misplaced { 
or }"

Any hints a really appreciated.

thanks and cheers
t.


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