print() method is usual print() function. Usually specify the file descriptor as an argument.
print() has the concept "mode" to specify CRLF or LF. use set_print_mode(mode) and reset_print_mode() to set the mode. By default, mode is raw. Specify smtp mode in using print() within SMTP codes.
Copyright (C) 1993-2025 Ken'ichi Fukamachi mail:< fukachan at fml.org >