### fix: 40 aktualisiere SMTP-Port und erweitere Timeout-Parameter

- **.env:** SMTP-Port auf `587` geändert.
- **application.yaml:** Timeout-Parameter (`connectiontimeout`, `timeout`, `writetimeout`) hinzugefügt.
- **MailServiceApplication:** Logging um SMTP-Timeout ergänzt.
- **WebMainScreen:** Versionsmarker auf `v2026-04-23.40 - SMTP PORT FORCE` aktualisiert.

backend/services/mail/mail-service/src/main/kotlin/at/mocode/mail/service/MailServiceApplication.kt

@@ -37,6 +37,7 @@ class MailServiceApplication(private val env: Environment) {
     val mailPort = env.getProperty("spring.mail.port")
     val mailUser = env.getProperty("spring.mail.username")
     val mailPass = env.getProperty("spring.mail.password")?.take(3) + "***"
+    val connTimeout = env.getProperty("spring.mail.properties.mail.smtp.connectiontimeout")
 
     val envHost = System.getenv("SPRING_MAIL_HOST")
     val envPort = System.getenv("SPRING_MAIL_PORT")
@@ -44,7 +45,7 @@ class MailServiceApplication(private val env: Environment) {
     log.info("----------------------------------------------------------")
     log.info("Application '{}' is running!", appName)
     log.info("Spring Management Port: {}", springPort)
-    log.info("SMTP Config (Resolved): host={}, port={}, user={}, pass={}", mailHost, mailPort, mailUser, mailPass)
+    log.info("SMTP Config (Resolved): host={}, port={}, user={}, pass={}, timeout={}", mailHost, mailPort, mailUser, mailPass, connTimeout)
     log.info("SMTP Config (Raw Env):  host={}, port={}, pass={}", envHost, envPort, System.getenv("SPRING_MAIL_PASSWORD")?.take(3) + "***")
     log.info("Profiles:               {}", env.activeProfiles.joinToString(", "))
     log.info("----------------------------------------------------------")

backend/services/mail/mail-service/src/main/resources/application.yaml

@@ -12,13 +12,16 @@ spring:
     show-sql: true
   mail:
     host: ${SPRING_MAIL_HOST:smtp.world4you.com}
-    port: ${SPRING_MAIL_PORT:587}
+    port: 587
     username: ${SPRING_MAIL_USERNAME:online-nennen@mo-code.at}
     password: ${SPRING_MAIL_PASSWORD:Mogi#2reiten}
     properties:
       mail:
         smtp:
           auth: ${SPRING_MAIL_PROPERTIES_MAIL_SMTP_AUTH:true}
+          connectiontimeout: 5000
+          timeout: 5000
+          writetimeout: 5000
           starttls:
             enable: ${SPRING_MAIL_PROPERTIES_MAIL_SMTP_STARTTLS_ENABLE:true}
             required: ${SPRING_MAIL_PROPERTIES_MAIL_SMTP_STARTTLS_REQUIRED:true}