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The Basics
- Nextcloud Server version (e.g., 29.x.x):
- 31.0.4
- Operating system and version (e.g., Ubuntu 24.04):
- Ubuntu 24.04
- Web server and version (e.g, Apache 2.4.25):
- Apache latest
- Reverse proxy and version _(e.g. nginx 1.27.2)
- Sophia UTM
- PHP version (e.g, 8.3):
- 8.3.6
- Is this the first time you’ve seen this error? (Yes / No):
- Yes
- When did this problem seem to first start?
- Since the begining
- Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
- Ubuntu + install php nextcloud files
- Are you using CloudfIare, mod_security, or similar? (Yes / No)
- No
Summary of the issue you are facing:
Trying to configure the emails to receive the notifications
Steps to replicate it (hint: details matter!):
Enter all informations about mail server
‘mail_smtpmode’ => ‘smtp’,
‘mail_smtphost’ => ‘mailserver.mydomain.com’,
‘mail_from_address’ => ‘service’,
‘mail_domain’ => ‘mydomain.com’,
‘mail_smtptimeout’ => 30,
‘mail_smtpdebug’ => true,
‘mail_smtpport’ => ‘465’,
‘mail_sendmailmode’ => ‘pipe’,
‘mail_smtpauth’ => true,
‘mail_smtpname’ => ‘mailbox_login’,
‘mail_smtppassword’ => ‘mailbox_password’,
Log entries
Where do I find them in Netxcloud ?
Nextcloud ip is 192.168.10.17
In the mail server I get these logs 
| 11/05/2025 16:56:38 | info | disconnect from unknown[192.168.10.17] commands=0/0 |
|---|---|---|
| 11/05/2025 16:56:38 | info | lost connection after CONNECT from unknown[192.168.10.17] |
| 11/05/2025 16:56:38 | info | Anonymous TLS connection established from unknown[192.168.10.17]: TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 |
| 11/05/2025 16:56:38 | info | TLS SNI MyServer.mydomain.com from unknown[192.168.10.17] not matched, using default chain |
| 11/05/2025 16:56:38 | info | connect from unknown[192.168.10.17] |
Other servers are sending emails without problem.
Nextcloud
Nothing in the logs
Thanks