DNS Error: failed to get host address info, gai_error 8

If your MacOSX/iOS Swift application gets this error in the Chilkat LastErrorText: smtpSocketConnect: socket2Connect: connect2: connectImplicitSsl: connectSocket: connect_ipv6_or_ipv4: getAddressInfo: Failed to get host address info. (4) gai_error: 8 hostOrIpAddr: smtp.gmail.com port: 465 –getAddressInfo getAddressInfo failed. –connect_ipv6_or_ipv4 –connectSocket –connectImplicitSsl ConnectFailReason: DNS lookup failed –connect2 –socket2Connect The solution is to enable the Outgoing Connections option in your Swift project.