[Mimedefang] Could not create /var/spool/MIMEDefang/... Error 0

[Martin Pracht]

Hello,

we have mimedefang-2.29, sendmail-8.12.6 on solaris 8 on a busy relay-server.
slaves are 20, ulimit descriptors 512.

Sometimes our Mimedefang stops, in the maillog it looks like this:

---
Feb 12 09:46:20 mgate3 mimedefang[312]: [ID 838820 mail.warning] 
h1C8kKAx021439:
  Could not create /var/spool/MIMEDefang/mdefang-3E4A09DC-0: Error 0
(a lot >200 of those)
...
Feb 12 10:06:58 mgate3 mimedefang[312]: [ID 838820 mail.warning] h1C96wA
x024514: Could not create /var/spool/MIMEDefang/mdefang-3E4A0EB2-0: Too 
many ope
n files
...
Feb 12 10:06:59 mgate3 mimedefang[312]: [ID 149102 mail.error] MXCommand: 
socket: Too many open files
...
  Feb 12 10:06:59 mgate3 mimedefang[312]: [ID 627436 mail.warning] mfconne
ct: No free slaves
...
Feb 12 10:08:05 mgate3 sm-mta[24580]: [ID 801593 mail.error] h1C985Ax024
580: Milter (mimedefang): error connecting to filter: Connection refused by 
/var
/spool/MIMEDefang/mimedefang.sock

---

Is that just a question about my settings?

   Martin