How To
Summary
SMTP pipelining is used to send multiple SMTP commands at one time to save time and resources and is used by default for IBM i SMTP when using *SMTP directory type. To disable this feature add an environment variable
QIBM_QTMS_PIPELINE_OFF
ADDENVVAR ENVVAR(QIBM_QTMS_PIPELINE_OFF) LEVEL(*SYS)
Restart the SMTP server with the commands
ENDTCPSVR *SMTP
STRTCPSVR *SMTP
Document Location
Worldwide
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Document Information
Modified date:
29 October 2025
UID
ibm16695963