Invalid email defaults in email account settings accountName – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when the email account settings in Elasticsearch have been configured incorrectly, specifically the default settings. This could be due to incorrect syntax, invalid email address, or wrong SMTP settings. To resolve this issue, you should first verify the email address and ensure it’s valid. Next, check the syntax of your configuration, making sure it follows the correct format. Lastly, confirm your SMTP settings, including the server, port, username, and password. If the error persists, consider resetting to default settings and reconfiguring.

This guide will help you check for common problems that cause the log ” invalid email defaults in email account settings [” + accountName + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: settings, plugin.

Log Context

Log “invalid email defaults in email account settings [” + accountName + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 to = Email.AddressList.parse(settings; Email.Field.TO.getPreferredName());
 cc = Email.AddressList.parse(settings; Email.Field.CC.getPreferredName());
 bcc = Email.AddressList.parse(settings; Email.Field.BCC.getPreferredName());
 subject = settings.get(Email.Field.SUBJECT.getPreferredName());
 } catch (IllegalArgumentException iae) {
 throw new SettingsException("invalid email defaults in email account settings [" + accountName + "]"; iae);
 }  Email apply(Email email) {
 Email.Builder builder = Email.builder().copyFrom(email);


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