Hi,  Recently when I use the plugin, after customers make a booking, I am not able to receive email notification. I have check the error log and I see this. ------------ ERROR #64 ------------
TYPE: MAIL
ERRORS: {"wp_mail_failed":["SMTP Error: data not accepted."]}
ERRORS_DATA: {"wp_mail_failed":{"to":["puppuccinomosman@gmail.com"],"subject":"Confirmation Reservation 1545","message":"<p>Hi tt,<\/p>\n<p>Your booking for BESS is received. The booking details are as followed:<\/p>\n<p>Date: September 30, 2019<\/p>\n<p>Service name: Full Groom<\/p>\n<p>Location: Mosman Branch<\/p>\n<p>Address: 1\/50-52 Spit Rd, Mosman,Sydney, NSW 2088<\/p>\n<p>&nbsp;<\/p>\n<p>We will send you confirmation soon.<\/p>\n<p>&nbsp;<\/p>\n<p>If you have any furthur questions about this booking, please call us at (02) 9969 0299.<\/p>\n<p>Thank you for choosing Puppuccino!<\/p>","headers":[],"attachments":[],"phpmailer_exception_code":2}}
---------- ERROR #64 END ---------- It happens all the time and I am wondering how to solve the issue. Thank you.   Regards, Oscar