If anyone is interested, here is the current split
on network mail software in use on the network:

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Statistics for:                  10/92        1/93
                                 ~~~~~        ~~~~
.QWK-Type Systems:                 65          63
PCRelay Systems:                   22          18
NetMail Systems:                   27          14
National HUB:                       1           1
                                 ------      ------
Total Systems on the Network:     115          96

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Hub Statistics for:              10/92        1/93
                                 ~~~~~        ~~~~
National Hub:                       1           1
Regional Hubs:                     16          16
Local Hubs:                        10           8
Cross-Network Links:                3           3
                                 ------      ------
Total Hubs on the Network:         30          28

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Mail Programs Run by Hubs for:   10/92        1/93
                                 ~~~~~        ~~~~
.QWK Mailers:                      23          20
NET/Mail 4.0+:                     12          10
PCRelay 4.1:                        9           9

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