Undelivered Mail Returned to Sender

This is the mail system at host smtp-3-3000.mail.infomaniak.ch.
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
<enamonopaidi@gmail.com>: host gmail-smtp-in.l.google.com[2a00:1450:4013:c16::1a] said: 550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient’s email address for typos or 550-5.1.1 unnecessary spaces. Learn more at 550 5.1.1 support.google.com/mail/?p=NoSuchUser b24-20020aa7cd18000000b004fc1abc1672si27653731edw.38 – gsmtp (in reply to RCPT TO command)
<athanas@laposte.net>: host smtpz4.laposte.net[160.92.124.66] said: 550 5.1.1 <athanas@laposte.net>: Adresse destinataire invalide. Invalid recipient. LPN007_416 (in reply to RCPT TO command)
<harmonie-chakra@laposte.net>: host smtpz4.laposte.net[160.92.124.66] said: 550 5.1.1 <harmonie-chakra@laposte.net>: Adresse destinataire invalide. Invalid recipient. LPN007_416 (in reply to RCPT TO command)
<med_achabou1992@hotmail.fr>: host eur.olc.protection.outlook.com[104.47.13.33] said: 550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). (in reply to RCPT TO command)
<gayz@hotmail.fr>: host eur.olc.protection.outlook.com[104.47.13.33] said: 550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). (in reply to RCPT TO command)
<frajjhns@hotmail.fr>: host eur.olc.protection.outlook.com[104.47.13.33] said: 550 5.5.0 Requested action not taken: mailbox unavailable (S2017062302). (in reply to RCPT TO command)
<carizourite2009@yahoo.fr>: host mx-eu.mail.am0.yahoodns.net[188.125.72.74] said: 554 30 Sorry, your message to carizourite2009@yahoo.fr cannot be delivered. This mailbox is disabled (554.30). (in reply to end of DATA command)
<mohamedfares1231@yahoo.fr>: host mx-eu.mail.am0.yahoodns.net[188.125.72.73] said: 552 1 Requested mail action aborted, mailbox not found (in reply to end of DATA command)
<bos-cheval-rouge@wanadoo.fr>: host smtp-in.orange.fr[80.12.26.32] said: 550 5.1.1 gnk1pupX75wk3 Adresse d au moins un destinataire invalide. Invalid recipient. OFR_416 [416] (in reply to RCPT TO command)
<solange.ducrettet@orange.fr>: host smtp-in.orange.fr[80.12.26.32] said: 550 5.2.0 gnk1p3GUeRWqH Mail rejete. Mail rejected. OFR_506 [506] (in reply to end of DATA command)
<franckcasalis@orange.fr>: host smtp-in.orange.fr[80.12.26.32] said: 550 5.2.0 gnk1p6slh1Get Mail rejete. Mail rejected. OFR_506 [506] (in reply to end of DATA command)
<tetedechat@free.fr>: host mx1.free.fr[212.27.48.7] said: 550 5.2.1 This mailbox has been blocked due to inactivity (in reply to RCPT TO command)
<c.raffard@espacs.fr>: host megao.mailinblack.com[52.143.171.137] said: 550 5.1.1 <c.raffard@espacs.fr>: Recipient address rejected: User unknown in relay recipient table (in reply to RCPT TO command)