Email port configuration incorrect
4.5
The mail client is trying to talk to the server on the wrong "channel".
Symptoms
- "Connection refused"
- Cannot send or receive
- Immediate error
Possible Causes
- Manual setup error
- ISP blocking port 25
- Old settings
Step-by-Step Fix
1
Use Port 587 (SMTP)
Port 25 is often blocked by ISPs; 587 is the modern standard for outgoing mail.
2
Use Port 993 (IMAP)
Ensure you are using the secure IMAP port for incoming mail.
3
Check "Use SSL"
Changing a port usually requires toggling the SSL/TLS checkbox.
When to See a Technician
Always use encrypted ports (993/465/587) to keep your password and emails private.
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