The custom SMTP email provider settings do not work and emails are not received

[Softvision-GeluHaiduc]

[Affected Versions]:

• Firefox Release 89.0.1

[Affected Platforms]:

• Windows 10x64

[Prerequisites]:

• Have a Hubs Cloud instance set up.
• Make sure to be logged in as an admin on https://svtesthub.com/
• Have the Admin Panel opened.

[Steps to reproduce]:

1. Click the "Server Settings" list item from the left side menu in the "Setup" section.
2. Click the "Email" tab on the page.
3. Try to set up the custom SMTP email provider settings with SendGrid.
4. Save the changes and try to log in from a PB window.

[Expected results]:

• Emails are received using the custom SMTP email provider settings.

[Actual results]:

• Emails are NOT received using the custom SMTP email provider settings.

[Notes]:

• The issue still persists after taking the stack offline and putting it back online.
• The issue was reproducible on another stack as well.

[Softvision-GeluHaiduc]

I have retried setting up the custom SMTP email provider using SendGrid. After several attempts using port 2525 worked and I was able to receive the magic link emails. Given this, I will close the issue.