End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

Net::POP3.disable_ssl

disable_ssl

# File tmp/rubies/ruby-3.0.5/lib/net/pop.rb, line 355
def POP3.disable_ssl
  @ssl_params = nil
end

Disable SSL for all new instances.

See also #disable_ssl .delete_all .enable_ssl .default_port