The mailing list for listmasters using Sympa

[Olivier Salaun - CRU <address@concealed>]

>    ----- The following addresses had permanent fatal errors -----
> "|/home/sympa/bin/queue ngo-subscribe"
>     (expanded from: <address@concealed>)
> 
>    ----- Transcript of session follows -----
> sh: queue not available for sendmail programs
> 554 "|/home/sympa/bin/queue ngo-subscribe"... Service unavailable

I guess you are running RedHat Linux 6.0 or higher.
Standard configuration of sendmail in this distribution is
using smrsh, a secure shell, as mailer prog.

Refer to Sympa FAQ for a solution to your problem :
http://listes.cru.fr/sympa/fom-serve/cache/9.html


Olivier