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Diffstat (limited to 'doc/doc-docbook/spec.xfpt')
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index dfbd7a41a..b462f6758 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -14714,6 +14714,7 @@ listed in more than one group. .row &%notifier_socket%& "override compiled-in value" .row &%pid_file_path%& "override compiled-in value" .row &%queue_run_max%& "maximum simultaneous queue runners" +.row &%smtp_backlog_monitor%& "level to log listen baclog" .endtable @@ -17732,6 +17733,14 @@ messages, it is also used as the default for HELO commands in callout verification if there is no remote transport from which to obtain a &%helo_data%& value. +.option smtp_backlog_monitor main integer 0 +.cindex "connection backlog" monitoring +If this option is set to greater than zero, and the backlog of available +TCP connections on a socket listening for SMTP is larger than it, a line +is logged giving the value and the socket address and port. +The value is retrived jsut before an accept call. +This facility is only available on Linux. + .option smtp_banner main string&!! "see below" .cindex "SMTP" "welcome banner" .cindex "banner for SMTP" @@ -17762,7 +17771,7 @@ is zero). If there isn't enough space, a temporary error code is returned. .option smtp_connect_backlog main integer 20 -.cindex "connection backlog" +.cindex "connection backlog" "set maximum" .cindex "SMTP" "connection backlog" .cindex "backlog of connections" This option specifies a maximum number of waiting SMTP connections. Exim passes |