Hi Benoit, thank you for confirming my observation. Indeed, it seems quite extensive.
I was wondering if we shouldn't adjust org.apache.james.core.Username API and make a distinction between localpart (so username+subaddress) and actuall username (i.e. `username` without subaddress part. Or have another way to distinguish username in the system from email address?
Wojtek On 06/10/2023 21:26, Benoit TELLIER wrote:
Correct! I've been identifying it for a couple of time and even have ideas of how to manage it ;-) That's a bit of a complex story to work with! As a starter : - ValidRcptHandler needs to accept sub-addresses of an existing user - IsLocalRecipient needs to accept sub-addresses of an existing user - LocalDelivery needs by default to accept email for sub addresses but delivery them into INBOX - And a SubAddressing mailet would check if the recipient did whitelist the sender for the target mailbox (k right) OR if the mailbox submission right is allowed for everybody (any) If so, then positions a storage directive for this email to go into the target mailbox for that recipient - Of course integration tests (/server/mailets/integration-testing ) Contributions more than welcome on the topic. Sponsoring even more welcome ;-) Here is the JIRA: https://issues.apache.org/jira/browse/JAMES-3945 (freshly created) -- Best regards, Benoit TELLIER General manager of Linagora VIETNAM. Product owner for Team-Mail product. Chairman of the Apache James project. Mail: btell...@linagora.com Tel: (0033) 6 77 26 04 58 (WhatsApp, Signal) On Oct 6, 2023 11:25 PM, from Wojtek Hi, does James support subaddressing (i.e. RFC 5233)? I tested it quickly and from what I see James just treat those addresses as distinct addresses? I don't see support for it in code. Ref: en.wikipedia.org/wiki/Email_address#Sub-addressing rfc-editor.org/rfc/rfc5233
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