![Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support](https://support.kerioconnect.gfi.com/hc/article_attachments/4415781987730/mceclip2.png)
Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support
![Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support](https://support.kerioconnect.gfi.com/hc/article_attachments/360014250239/smtp_debug.png)
Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support
![How to Fix SMTP ERROR: Failed to connect to server: Connection refused (111) error on WordPress - Interserver Tips How to Fix SMTP ERROR: Failed to connect to server: Connection refused (111) error on WordPress - Interserver Tips](https://www.interserver.net/tips/wp-content/uploads/2018/09/Fix-SMTP-Error3.png)
How to Fix SMTP ERROR: Failed to connect to server: Connection refused (111) error on WordPress - Interserver Tips
![Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support](https://support.kerioconnect.gfi.com/hc/article_attachments/360014249320/telnet1.png)
Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support
![Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support](https://support.kerioconnect.gfi.com/hc/article_attachments/4415776411538/mceclip1.png)
Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support
![Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support](https://support.kerioconnect.gfi.com/hc/article_attachments/4415782010898/mceclip3.png)
Unable Send Email due to errors 'Cannot connect to SMTP server' or '4.4.1 Cannot Connect to Host' – KerioConnect Support
Operating Instructions - Administrator Reference: Pluto-P1b, PL-P1b (G108) Aficio CL1000N, P7431cn, CLP831, LP031c
![SMTP -> Error: Failed to connect to server: Connection timed out (110) and SMTP Error: Could not connect to SMTP host [#805834] | Drupal.org SMTP -> Error: Failed to connect to server: Connection timed out (110) and SMTP Error: Could not connect to SMTP host [#805834] | Drupal.org](https://www.drupal.org/files/issues/Screenshot%20from%202016-10-07%2013%3A08%3A55.png)
SMTP -> Error: Failed to connect to server: Connection timed out (110) and SMTP Error: Could not connect to SMTP host [#805834] | Drupal.org
![email server - Konica Minolta scanner cannot send outgoing mail via SMTP. Can I decipher the correct settings without resorting to onsite IT visit? - Server Fault email server - Konica Minolta scanner cannot send outgoing mail via SMTP. Can I decipher the correct settings without resorting to onsite IT visit? - Server Fault](https://i.stack.imgur.com/Y7xIX.png)