recipient delimiter option in dovecot

Hello, all.

Postfix allows me to configure multiple characters to be used as recipient delimiter.

However, I don't see that in dovecot, it seems I can only use one character in recipient_delimiter ?

Am I right ? Does dovecot would only let me use email+box@domain.com, or can I use other forms, for instance email~box@domain.com and email&box@domain.com ?

Thanks. André

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