Hi, everybody.
Does anyone have experience integrating SendGrid with CS-cart? I already configured SendGrid credentials successfully but on sending an email I am getting the following error:
Does anyone have experience integrating SendGrid with CS-cart? I already configured SendGrid credentials successfully but on sending an email I am getting the following error:
SMTP server error: MAIL FROM command failed Detail: Unauthenticated senders not allowed SMTP code: 550