Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Disconnecting from wifi and making sure I was connected using 3G/4G while setting up was the solution to this problem.

Tap Description and key in the required name. Tap Host Name and key in smtp.optusnet.com.au. Tap the indicator next to "Use SSL" to turn off the function. Would you like information for your {device-name}? Tap Name and key in the required sender name. Tap User Name below Incoming Mail Server and key in the username for your email account. Using POP3, your email are retrieved and stored locally on your mobile phone and at the same time they're deleted from the server.

Tap Password and key in the password for your email account.

I'm having the same problem on my iPhone 6S Plus with iOS 11.2.5, but I'm confused. I use my own domain name for my mail. We tried it again and still no luck.

Make sure this is a POP account and outgoing server is mail.optusnet.com.au port 25 with no authentication required. Tap Host Name and key in the name of your email provider's incoming server.

Perfect, many thanks. Using POP3, your email are retrieved and stored locally on your mobile phone and at the same time they're deleted from the server. Can anybody help on the correct set up for SENDING emails through Optus on our iPhones. Follow the instructions on the screen to key in more information and finish setting up your mobile phone.
Tap Host Name below Outgoing Mail Server and key in smtp.optusnet.com.au.

Thank you so much! Tap Save.Please wait while the email account is created.
Follow these easy instructions. View your usage, get billing support and much more with the My Optus app, download it, iPhone Set Up for sending email through Optus smtp, Re: iPhone Set Up for sending email through Optus smtp, ------------------------------------------------------------------------------------------------------------------. Turning the key lock on my mobile phone on or off, Turning data roaming on my mobile phone on or off. Get your support answers here. It worked when disabling wi-fi and only using 4G. Tap the Home key to return to the home screen. Tap the indicator next to "Push" to turn the function on or off. It is therefore not possible to access your email from different devices. If your email provider isn't on the list:Tap Other. Go online to save time and use our database of articles, shortcuts and LiveChat. Before you can set up your mobile phone for POP3 email, you need to set up your mobile phone for internet. Your Optusnet email address is the same as your Optus Broadband username. Tap Password and key in the password for your email account. Want to set up your mobile phone for email?