diff --git a/e-invoice-domain/src/main/kotlin/net/codinux/invoicing/mail/MailReader.kt b/e-invoice-domain/src/main/kotlin/net/codinux/invoicing/mail/MailReader.kt
index a0a9820..ed6adfc 100644
--- a/e-invoice-domain/src/main/kotlin/net/codinux/invoicing/mail/MailReader.kt
+++ b/e-invoice-domain/src/main/kotlin/net/codinux/invoicing/mail/MailReader.kt
@@ -271,8 +271,8 @@ open class MailReader(
         put("mail.imap.port", account.port?.toString() ?: "993")  // Default IMAP over SSL
         put("mail.imap.ssl.enable", "true")
 
-        put("mail.imap.connectiontimeout", "5000")
-        put("mail.imap.timeout", "5000")
+        put("mail.imap.connectiontimeout", "10000")
+        put("mail.imap.timeout", "10000")
     }
 
 }
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