7.5.4 Update

Please make sure that you are not mixing up 'Secure Password' Authentication(SPA) with SMTP authentication 'My Server Requires Authentication'.

If you are turning on SPA, then sending will fail.

I have seen many people confuse the 2 types of authentication before, so just thought I'd throw that one out there...
 
James,

That sounds VERY interesting. However, I wonder if you could explain a bit more. Do you mean a setting in Plesk or a setting in my mail client?

In Plesk, "Server > Server-wide mail preferences"
I have it set to Relaying "authorization is required:" SMTP == checked

In my mail client, I have:
authentication:password (and that l/p entered)

IS there some OTHER place in Plesk to look for a SMTP setting, since I am unsure what you speak of.

Thanks!
 
In your email client (such as Outlook), you do *not* want to checkmark the secure password option. You do want to checkmark the 'Server requires authentication'.
 
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