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Helix ALM Cannot Connect to Port 25 to Send Email Via SMTP

Article ID: 301  |  Last updated: 25 Apr, 2017


Helix ALM email sent via SMTP is not delivered. The following error is displayed in the server log:

Sending email failed while logging into the SMTP server. Unable to establish the socket connection to port 25 on host x.x.x.x. Please verify the host IP address is correct.


Spam blockers or antivirus software may be blocking port 25 for the SMTP host, which Helix ALM uses to send email.


Ask your IT department or ISP to open port 25.

Article ID: 301  |   Last updated: 25 Apr, 2017
port SMTP email not sent 25

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