The main problem with 4D Internet Commands is: 
It blocks the whole application while waiting for and downloading messages from 
the server. This is because the plugin interface of 4D is designed to be in 
cooperative mode. Even switching to v16 and using preemptive threads will not 
help, the plugin interface isn't thread-safe.

So if you want to receive e-mails the best thing is to use a third party tool 
and develop a non-blocking interface to this tool. Developing a plugin will not 
help.

We are challenged with the same problem, so we decided to get the e-mails using 
a job in the night, so blocking of the server doesn't disturb anyone. For the 
requirements of our customers this is ok.

HTH
Lutz Epperlein


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