User Guide

Appendix A 103
Parameter name
Parameter value
mta_incoming_connections_refused_for_connections_limit
Number of incoming connections rejected by the server since its initialization
because to the limit on the number of simultaneous incoming connections.
mta_incoming_connections_refused_for_connections_per_ip_limit
Number of incoming connections rejected by the server since its initialization due to
the limit on the number of simultaneous incoming connections from a single IP
address.
mta_outgoing_connections_total
Number of outgoing connections from the server since its initialization.
mta_outgoing_connections_current
Number of simultaneous outgoing connections at the moment when the report was
generated.
mta_outgoing_connections_maximum
Maximum number of outgoing connections from the server since the server
initialization.
mta_outgoing_connection_errors
Number of outgoing connection errors since the server initialization.
mta_outgoing_connections_failed_total
Total number of rejected outgoing connections from the server since its
initialization.
mta_outgoing_connections_failed_through_cache
Total number of outgoing connections that were rejected since the server
initialization because information about the host was found in the cache of
unreachable hosts.
mta_routing_queries_total
Total number of routing queries since the server initialization.
mta_dns_queries_total
Total number of DNS queries since the server initialization.
mta_dns_queries_failed
Number of failed DNS queries since the server initialization.