Telstra email receiving but not sending

6.50PM Update: Telstra email service is working again, after nearly 8 hours of outage. If I was using a bigpond/Telstra email I would be looking at switching to better email service. For free personal use, switch to Gmail or Outlook.com. For business users, check out G Suite.

Telstra had a major email outage since Dec 4 at 11 AM AEST. This article is written to help people fix the issue quickly.

If you're experiencing issue with outgoing emails not sending, then follow these steps.

Requirements: You will need a domain name.

1. Sign up for a free account with Sendgrid. 
2. Change your outgoing email settings to:
   server: smtp.sendgrid.net
   port: 587
   security: TLS (or STARTTLS)
   username: <SendGrid username>
   password: <SendGrid password>
   
   For more options, follow the recommended SMTP settings for Sendgrid
3. Send test email.

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