Metermaid Causes An SMTP 550 5.7.1 Status Code While It Should Give a 421 Temporary Status Code
(Doc ID 2253843.1)
Last updated on NOVEMBER 07, 2019
Applies to:Oracle Communications Messaging Server - Version 8.0.1 and later
Information in this document applies to any platform.
When using metermaid callout in ORIG_SEND_ACCESS to throttle connections/mailflow based on destination domain, the mechanism works fine, but the SMTP status code that is returned to the SMTP client is not correct.
Sample mapping rule:
role.mapping:ORIG_SEND_ACCESS.rule = email@example.com $C$[/opt/mail/msg/comms/messaging64/lib/check_metermaid.so,throttle,domain,$1]$N421$ Connection$ declined$ at$ this$ time
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