source/smtp/client.d(210,41): Error: cast from `string` to `ubyte[]` not allowed in safe code
source/smtp/client.d(218,41): Error: cast from `string` to `ubyte[]` not allowed in safe code
source/smtp/client.d(226,41): Error: cast from `string` to `ubyte[]` not allowed in safe code
source/smtp/mailsender.d(93,7): Error: can only catch class objects derived from `Exception` in `@safe` code, not `core.exception.RangeError`
/opt/dmd-safe/dmd/dmd-safe failed with exit code 1.