I cannot save Instance Settings due to error: Please enter a valid mail domain
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Issue
- I go to Control Panel > Configuration > Instance Settings (or Virtual Instances)
- I enter a valid mail domain and click Save
- I get the error: "Please enter a valid mail domain"
Environment
- Liferay DXP 7.1 FP15+
- Liferay DXP 7.2 FP1+
Resolution
-
With LPS-97249, Liferay introduced a new validator for mail domains using this portal property:
default.admin.email.address.prefix=
-
If the value of this property is not correct (eg.: contains spaces), the validation will fail.
-
Solution: Check if the value of this property is valid. It is located in either your portal-ext.properties or your portal-setup-wizard.properties file.
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