I installed Acymailing (as a test) on a subdomain to test how I can send emails via an external SMTP server. The external SMTP service is emailit.com – I created credentials for SMTP there (server, port, username and password)
When I fill in that information and send a test email, I get a vague error message:
Error sending message Test email from https://dev1.12appletree.nl/ to info@1-2-appletree.nl
SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/TroubleshootingSMTP server error: Failed to connect to server SMTP code: 111 Additional SMTP info: Connection refused
2025-05-13 14:42:47 SMTP ERROR: Failed to connect to server: Connection refused (111)
What is going wrong and how do I solve this?
