Display Error: Connection refused, Code: 500

[Sunil]

Hi,

When I try to send an outbound email I get the following error.

Please advise.

[2017-06-14 02:37:36] Espo.ERROR: Display Error: Connection refused, Code: 500 URL: /CRM/api/v1/Email [] []

Thank You,

Sunil

[tanya]

Hello
Check your smtp settings (Outbound Email) and try to sent test email

[Sunil]

Hi Tanya,

When I try to send a test email I get an Error 500 Connection Refused. The Outbound Emails work on other Digital Ocean Droplets. Just not this one. Wonder why?

[Sunil]

This is the complete error message.

Error 500: The input appears to be a DNS hostname but cannot match TLD against known list, The input does not appear to be a valid URI hostname, The input does not appear to be a valid local network name.