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SP_135503024-Participant
4-Participant
October 28, 2025
Question

SMTP setup for windchill on azure

  • October 28, 2025
  • 1 reply
  • 315 views

Version: Windchill 12.0

 

Use Case: We have recently migrated Windchill from an on-premises system to an Azure VM. However, the SMTP server setup is no longer available in the Azure environment. Please provide guidance on how to configure an SMTP server or any alternative messaging service to enable workflow notification emails and other custom notification emails.


Description:

Currently not able to send workflow notification emails or any custom notification emails through SMTP server.

1 reply

avillanueva
23-Emerald I
avillanueva23-Emerald I
23-Emerald I
October 28, 2025

Here are some articles about changing from port 25. You might have to switch to SMTPS.

https://www.ptc.com/en/support/article/CS349913?source=search

https://www.ptc.com/en/support/article/CS407185?source=search

AI Results:

Outbound SMTP connectivity on TCP port 25 is blocked by default for most Azure subscription types, including Pay-as-you-go, for virtual machines (VMs) and this block cannot be removed. Enterprise Dev/Test subscriptions also have port 25 blocked by default, but this block can be removed.

Reasons for this restriction:
  • Security and Spam Prevention: This measure is in place to prevent the abuse of Azure resources for sending spam or other malicious email activities.
Alternatives for sending email from Azure:
  • Authenticated SMTP Relay Services:
    • Utilize third-party email delivery services like SendGrid, Mailgun, or others that offer authenticated SMTP relay.
    • These services typically use alternative ports like 587 (recommended for TLS/STARTTLS) or 465 (for SSL) and require authentication, bypassing the port 25 block.
Contact Azure Support:
If using an Enterprise Agreement or MCA-E subscription and requiring port 25 access, or if facing persistent issues with alternative methods, contact Azure support with the issue type "Technical > Virtual Network > Cannot send email (SMTP/Port 25)".
S
SP_135503024-ParticipantAuthor
4-Participant
November 6, 2025

Hi @avillanueva,

 

We are looking for a solution, such as SMTP or a similar setup, that allows us to send emails. We do not want to use third-party email services, as they do not comply with our company’s policies. Is there a way to send emails directly from Java code or through a similar approach?

avillanueva
23-Emerald I
avillanueva23-Emerald I
23-Emerald I
November 6, 2025

Email is being sent through Java code (in Windchill) but question is to where? You need to have some sort of email relay under a different port which will direct your mail back to the company mails servers. 

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