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Old 04 Apr 2020, 11:16
Skyrider Skyrider is offline
Join Date: Feb 2006
Originally Posted by snakes1100 View Post
Most large ISP's require valid HELO's from the server connecting to them.

Without looking at the server & the actual issue, im still going to lay blame on the mail/server, not vb itself.

But this is related to your hostname, so without seeing all the settings on the server, its hard to say which program is at fault, but im still stating its not VB.
I'm not using any mail applications on my server though, and as I mentioned above. Xenforo has no problems connecting to the same SMTP information. So it's weird that XF works, while vBulletin doesn't.
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