[TiLUG] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the mail system at host ms.do.mailspool.net.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<abbott493@speziafiere.it>: host mx.speziafiere.it[62.149.128.160] said: 550
    5.1.1 <abbott493@speziafiere.it>: RcaskQE95p91ERcaskJNOb 511 sorry, no
    mailbox here by that name (#5.1.1 - chkuser) (in reply to RCPT TO command)
-------------- parte successiva --------------
Un messaggio incapsulato è stato rimosso...
Da:         Succosa Zimina Zimina <tilug@lists.linux.it>
Oggetto :   Ascolta, so come farlo al meglio.
Data:       Sun, 11 Oct 2020 17:40:31 +0300
Dimensione: 6419
URL:        <http://lists.linux.it/pipermail/tilug/attachments/20201011/fe7505cb/attachment.eml>