I have migrated WPLMS email to buddypress and used the "Postman SMTP" plugin with Mailgun API for email processing. But until now, every email sent (eg account activation email, password reset, etc.) in plain text is not HTML format as in HTML template. Please help to have the email sent using HTML format.
Thanks for your the suggestion and your help to solve this issue.
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Hello,
Well this could be happen when some third party plugin override the functionality of buddypress mail function and then buddypress sent mails in plain text. Please try deactivating all the third party plugins one by one and check which plugin causes this.