fix: update smtp ssl options

Author: ludomikula

server/api-service/lowcoder-server/src/main/resources/application.yaml

@@ -32,6 +32,7 @@ spring:
           auth: ${LOWCODER_ADMIN_SMTP_AUTH:true}
           ssl:
             enable: ${LOWCODER_ADMIN_SMTP_SSL_ENABLED:false}
+            checkserveridentity: false
           starttls:
             enable: ${LOWCODER_ADMIN_SMTP_STARTTLS_ENABLED:true}
             required: ${LOWCODER_ADMIN_SMTP_STARTTLS_REQUIRED:true}