Damit wird auch nur Net::SMTP geladen, was in Core ist.
# determines whether or not encryption is used and which kind. For
# 'tls' the module 'Net::SMTP::TLS' is required; for 'ssl'
# 'Net::SMTP::TLS' is required and 'none' only uses 'Net::SMTP'.
# determines whether or not encryption is used and which kind. For
# 'tls' the module 'Net::SMTP::TLS' is required; for 'ssl'
# 'Net::SMTP::TLS' is required and 'none' only uses 'Net::SMTP'.
# Authentication is only used if 'login' is set. You should only use
# that with 'tls' or 'ssl' encryption.
login =
# Authentication is only used if 'login' is set. You should only use
# that with 'tls' or 'ssl' encryption.
login =