SYSTEM INFORMATION OS type and version Ubuntu Linux 22.04.4 Webmin version 2.111 Virtualmin version 7.10.0 Hi, since this morning I can only receive emails, I cannot send them. If I go to Roundcube and try to send an email, I get a message like “SMTP Error (454): Authentication faile…

[image] AlessioIT: smtp_sasl_auth_enable = yes Remove this line and reload postfix… May be the culprit?