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3326996 - [Cloud Integration] " SOCKS5 command failed with status: NETWORK_UNREACHABLE" error in Mail Adapter


Below error is seen in Mail Adapter On-Premise (with Cloud Connector) communication:

com.sun.mail.util.MailConnectException: Couldn't connect to host, port: <host>, <port>; timeout 15000 Cause: SOCKS5 command failed with status: NETWORK_UNREACHABLE

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.



  • SAP Integration Suite
  • SAP Business Technology Platform
  • Cloud Integration


Cloud Integration all versions ; SAP Integration Suite all versions


SMTP, IMAP, Mail, Cloud Connector, SOCKS5, NETWORK_UNREACHABLE, Cloud Integration, SAP Integration Suite, SAP Cloud Platform Integration, Cloud Platform Integration, SAP CPI, CPI, SCPI, HANA Cloud Integration, HCI, SAP HCI, tenant, iFlow, Integration Flow , KBA , LOD-HCI-PI-CON-SOAP , SOAP Adapter , Problem

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