This may be either nil (plain connection), `ssl' (use an
SSL/TSL-secured stream) or `starttls' (use the starttls mechanism
to turn on TLS security after opening the stream). However, if
This may be either nil (plain connection), `ssl' (use an
SSL/TSL-secured stream) or `starttls' (use the starttls mechanism
to turn on TLS security after opening the stream). However, if