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mailcow smtp connection failed

M

maxstore

New member
Jul 7, 2023
9
0
1
Hello,

I have a docker container with mailcow and a reverse Proxy to make the web ui accessible on the web. I set up a mail address, which I can easily access from mail.example.com/SoGo
If I want to integrate it in Wordpress or Apple Mail, I got this Error:
I got this Error in the Logs:
{
“code”: 423,
“message”: “SMTP Error: Could not connect to SMTP host. Failed to connect to server”,
“errors”: [
“SMTP Error: Could not connect to SMTP host. Failed to connect to server”
]
In Apple Mail I got only the message that the certificate, that I created with Let's encrypt, is not trustable.


Configuration:
SMTP Host:
mail.example.com
SMTP Port:
465
Checked the Box: SSL
Checked the Boxes: Use Auto TLS and Authentication (username and password from Mail)
Store Access Keys in Database
SMTP Username: [email protected]
SMTP Password: the password of this mail account.

What can be the Reason?
 
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