What does ESOCKET error mean when I’m trying to send an email?
Per https://github.com/nodemailer/nodemailer/issues/889#issuecomment-488267379 (and it’s follow-ups): same problem here. resolved it by using IP address as host, see https://nodemailer.com/smtp/#general-options For us it seems to be related to throttling as circa 140 messages go through in a batch while the remainder get this error (and all are being sent to the same email address, so no issue re: bad email … Read more