Last updated on SEPTEMBER 21, 2016
Applies to:Oracle Communications Messaging Server - Version 6.0.0 and later
Information in this document applies to any platform.
The MTA automatically canonicalizes mail addresses to the value of the user's mail attribute. See
- User's mail attribute - https://docs.oracle.com/cd/E62436_01/doc.80/ucs_80_schema_ref.pdf#page=201&zoom=auto,0,267.97
- Address Reversal Cache - https://docs.oracle.com/cd/E63708_01/doc.801/e63711/msadm_mta_trans.htm#CJAGIDCD
- Address Reversal - https://docs.oracle.com/cd/E63708_01/doc.801/e63711/msadm_mta_trans.htm#MSVAG562
- Side Effects of Reversal - https://msg.wikidoc.info/index.php/Intended_side_effects_of_LDAP_address_reversal
If the address matches the value of one of the user's mailAlternateAddress attributes, it will be rewritten to the user's canonical address, which is the value of the mail attribute.
- mailAlternateAddress - https://docs.oracle.com/cd/E62436_01/doc.80/ucs_80_schema_ref.pdf#page=205&zoom=auto,0,386.06
If you want to be able to send mail to a user with another address, but do not want that rewriting to happen, the normal way to accomplish that is to specify the address as a mailEquivalentAddress instead of mailAlternateAddresss. For example:
- mailEquivalentAddress - https://docs.oracle.com/cd/E62436_01/doc.80/ucs_80_schema_ref.pdf#page=221&zoom=auto,0,171.75
Mail sent to email@example.com will automatically be rewritten to firstname.lastname@example.org.
But mail sent to email@example.com will not be rewritten. It will be delivered to the same user, but the address will remain firstname.lastname@example.org.
This is all normal and automatic. But this can be further complicated when multiple domains or domain aliases are involved.
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