`server.send(mail, "<from>", "<to>"));` ([link](https://github.com/KayEss/fost-internet/blob/bc6d639e14ab81ad2df899ddef58681f751a7abd/Cpp/fost-inet-test/pop3.cpp#L49)) It should be replaced by reading from settings.
server.send(mail, "<from>", "<to>"));(link)It should be replaced by reading from settings.