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vivyrelaxe posted a topic in Troubleshooting IssuesHello, Today, without changing anything in my invoice template, the system cannot send new invoices and give me this error message: Email Sending Failed - SMTP Error: data not accepted. Before that I had this error: Email Sending Failed - SMTP Error: Could not connect to SMTP host. (Subject: Facture client) so I made some changed to verify it. I try TLS and I verified all my configurations information. I changed my info for what I had yesterday and I changed the password in case of... (I also changed it on the mailbox of course) Before today all was working perfectly and suddenly, nothing... No invoice can be sent. Someone here can help me, please? Sylvie