01.07.2010 00:07, David Touzeau:

> dear I know this is not a good idea but this is for an internal server 
> in order to auto-create mailboxes.
> A script parse the catch-all mailbox and create the appropriate mailbox
> 
> THe behavior is when i send mail to  use...@domain.tld the catch-all 
> take the hand and all mails are transfered to it noexist...@domain.tld

Which then creates the use...@domain.tld mailbox?
If so, and if I understand correctly, after use...@domain.tld was
created and someone wants to send a mail to this new account but
mis-types the address, for example us...@domain.tld, the (potential)
recipient won't get the message but rather the account us...@domain.tld
will be created. Moreover, the sender won't be notified that he sent
mail to a non-existent address.

> so i have 2 choices :
> 
> enable catch-all but all mail going trough the catch-all mailbox
> 
> disable catch-all and forgot the script...

No, you have more choices. Among them are

3. Instead of a catch-all, use a single fixed account for sending
mailbox creation requests to in combination with + addressing.
For example, use creat...@domain.tld as the account requests are sent
to, and, if you want to create the use...@domain.tld account, send a
mail to createmb+use...@domain.tld.

4. Choose from the many mail management solutions that already exist.

-- 
Regards
  mks

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