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Windows 7: Outlook 2007-Trouble Sending E-mail-ISP Can't Help

31 Oct 2009   #1

Windows 7
Outlook 2007-Trouble Sending E-mail-ISP Can't Help

I never had trouble setting up Outlook with Vista or XP. However, I have not been able to get Outlook 2007 to send e-mail. I am not sure if it is a problem with Outlook because when I use Thunderbird, I also cannot send e-mail. Windows Live Mail also cannot send e-mail.

My ISP is Windstream
Here is link to server settings:

Pretty cut and dry. for Outgoing for Incoming

I have no trouble receiving e-mail-just sending it???

Any idea what could be happening? As I said, no issues with Outlook when using XP/Vista-just when I migrated to Windows 7.

Any assistance would be appreciated.

My System SpecsSystem Spec

31 Oct 2009   #2

Windows 7 Ultimate RTM

Have you set SMTP authentication in Outlook to use the same settings you log on with? Are you aware that Windstream requires SMTP authentication?

My System SpecsSystem Spec
31 Oct 2009   #3

W7 X-64 W8.1 X-64 Opensuse 13.1 W2003 Server

Hi there
check firewall settings and av software as well.
Default Windows 7 firewall settings are more restrictive than XP etc.

My System SpecsSystem Spec

01 Nov 2009   #4

Windows 7 Ultimate x64

As per the previous post I think you need to check you can connect to port 25 (smtp) outbound. You could check this by opening a telnet session to a mailserver, e.g

telnet 25

You should get an smtp banner if all is ok
My System SpecsSystem Spec

 Outlook 2007-Trouble Sending E-mail-ISP Can't Help

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