F=j

User Database rewrite of header recipient addresses V8.7 and later

If sendmail was compiled with User Database support (userdb on page 942) and if that database is being used (UserDatabaseSpec on page 1116), you can have sendmail rewrite header recipient addresses using that database. The F=j delivery agent flag tells sendmail to look up recipient addresses in the User Database (using the mailname keyword). If an appropriate entry is found, it is used in place of the original address in the recipient headers. The process is the same as that described for the F=i delivery agent flag, except that it is used here for recipient headers.

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