On Sun, Dec 5, 2010 at 10:00 PM, D G Teed <donald.t...@gmail.com> wrote:
> Hello, > > I'm using sasl support with postfix for TLS/SSL support. > saslauthd is set for pam authentication, and this is configured > to use winbind. It all works! > > Once in awhile - twice a month I think it has been - users > report logins to SMTP is failing. When I test saslauthd, > with testsaslauthd -s smtp, it fails. If I restart only saslauthd > and run the same testsaslauthd from my command line history, > it works. The test command is run local and is using authentication > which would rely on the chain of : saslauthd-> pam -> winbind . > > I was looking for errors in the maillog file, but there are actually errors in the authentication log: auth.log The first error is: Dec 4 17:32:04 myhostname saslauthd[32590]: PAM unable to dlopen(/lib/security/pam_unix.so): /lib/security/pam_unix.so: cannot open shared object file: Too many open files I have a feeling this is a symptom, not the cause of the problem. SMTP with sasl points to pam. The config at pam.d/smtp doesn't even list pam_unix , but the same error is showing for multiple pam modules. --Donald