field requestor in ticket created by mail

Hi,
we are currently using Projeqtor in v.10.0.3.
We have set up the possibility to create automatically a ticket from an e-mail with the entry menu Input mailbox for Tickets.

When the ticket is created, it seems that the field requestor is always filled with the admin user whatever the e-mail adress from the received mail is. Should not this field filled with the contact linked with the e-mail ?

For exemple :

1. The admin user is Admin01, this user has set up the mailbox Cette adresse e-mail est protégée contre les robots spammeurs. Vous devez activer le JavaScript pour la visualiser.
2. A mail is received by the mailbox Cette adresse e-mail est protégée contre les robots spammeurs. Vous devez activer le JavaScript pour la visualiser. from the Cette adresse e-mail est protégée contre les robots spammeurs. Vous devez activer le JavaScript pour la visualiser.
3. A contact in Projeqtor is Test01 with the @ Cette adresse e-mail est protégée contre les robots spammeurs. Vous devez activer le JavaScript pour la visualiser.
4. The ticket is created with Admin01 in the field requestor, where we expected Test01

It seems odd, maybe, we missed something... Thanks for your help.
Best regards