props.setProperty(FessEnv.MAIL_RETURN_PATH, "no-reply+bounce@example.co.jp");
                return props;
            }
        };

        assertEquals("smtp-relay.example.com:465", specialMailEnv.getMailSmtpServerMainHostAndPort());
        assertEquals("[テスト環境]", specialMailEnv.getMailSubjectTestPrefix());
        assertEquals("no-reply+bounce@example.co.jp", specialMailEnv.getMailReturnPath());
    }

    background-color: #0052cc;
    border-radius: 50%;
    margin: 0 2px;
    animation: thinking-bounce 1.4s ease-in-out infinite both;
}

.thinking-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.thinking-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes thinking-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

        }

        @Override
        public String getMailFromName() {
            return "Fess System";
        }

        @Override
        public String getMailReturnPath() {
            return "bounce@example.com";
        }
    }

        }

        @Override
        public String getMailFromName() {
            return "Fess System";
        }

        @Override
        public String getMailReturnPath() {
            return "bounce@example.com";
        }
    }