Matthias wrote (2021-05-03):

 MH> Hello Oli!

 TK>>> Setting "maxclients 1" might help.
 Ol>> but it would be only a workaround and doesn't fix the root cause of
 Ol>> the problem.

 MH> True. Try to keep your outbound clear and always use the same address to
 MH> poll a system. If you have automated polls to the same system, but it's
 MH> othernet address, don's poll it in the same minute.

 MH> That said, polling the same system to get othernet's mail makes no sense
 MH> at all because the othernet's stuff will be transmitted during your
 MH> fidonet poll.

 MH> Therefore: Use a singe address to initiate polls and the problem will go
 MH> away. Inspect your outbound and see what's causing the calls.

This is not how BSO is supposed to work. The tosser creates flow files for all nodes that receive mails (files), the mailer does the polling and should be able to sort it out.

I think we missed an important clue:

 RS> ? 20:48 [131871] called 21:1/190@fsxnet, but remote has no such AKA

We need a complete session log and/or the config file to see what's wrong.

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