Too many open files

Julian Field mailscanner at
Wed Apr 30 19:44:04 IST 2003

What operating system are you running on, and what are the "maximum batch
size" limits set to near the top of MailScanner.conf?
You probably need to either
a) increase the number of available file handles in your OS
b) decrease the maximum size of a batch.

At 18:31 30/04/2003, you wrote:
>Dear all,
>I did the entire search from this group and got no real answer about this
>I upgraded MailScanner from 3.21 to 4.19 with Sun solaris 2.7.  All goes
>well in lite traffic.
>The problem is this:  during the heavy traffic, like announcement, e-mails
>will be kept in /var/spool/, and logs said:
>MailScanner[2462]: Could not open file
> >/var/spool/MailScanner/incoming/2462/h3OIihSp002991.header: Too many open
>MailScanner[2462]: Cannot create + lock headers
>file /var/spool/MailScanner/incoming/2462/h3OIihSp002991.header,
>The Processing Incoming Mail setting in MailScanner.conf is as following
>Max Unscanned Bytes Per Scan = 100000000
>Max Unsafe Bytes Per Scan = 50000000
>Max Unscanned Messages Per Scan = 100
>Max Unsafe Messages Per Scan = 100
>Thanks for any advise.

Julian Field
Professional Support Services at
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