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Esteemed Contributor
Esteemed Contributor

Re: Optus Mail not sending using Windows 10 mail

No I meant are you connected to Optus internet via their mobile broadband, dsl or NBN? Often this sending issue happens when people are connected to a different provider and I wasn't sure if you were.

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Occasional Contributor
Occasional Contributor

Re: Optus Mail not sending using Windows 10 mail

Oh sorry, my bad.

No, I'm not using Optus as my provider so that could be a possible problem. I'm still intrigued why it suddenly stopped working because I had changed nothing. As a matter of fact it worked before I went on annual leave in late December, but didn't work when I got home. Strange.

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Esteemed Contributor
Esteemed Contributor

Re: Optus Mail not sending using Windows 10 mail

Probably the provider you are using won't allow relaying. Try using their outgoing mail server without authentication.
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