The Outgoing server (SMTP) %S does not allow plaintext passwords. Please try changing the 'Authentication method' in 'Account Settings | Outgoing server (SMTP)' to 'Encrypted password'.
Chan eil am frithealaiche a-mach (SMTP) %S a’ ceadachadh faclan-faire ann an teacsa lom. Feuch is cleachd “Facal-faire crioptaichte” mar an dòigh dearbhaidh ann an “Roghainnean a’ chunntais | Roghainnean an fhrithealaiche a-mach (SMTP)”.