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Sending' reported error (0x80042109): 'Outlook cannot connect to your outoing (SMTP) e-mail server.

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I've received the following error for all my accounts on a fresh installation of Outlook 2010.

Sending' reported error (0x80042109): 'Outlook cannot connect to your outoing (SMTP) e-mail server. If you continue to receive this message, contact your server administrator or Internet service provider (ISP).'

Solution:

I've noticed that Microsoft has changed the default SMTP port in Outlook 2010 from 25 to 587 as you can see in the picture below.

post-1-124992590264_thumb.png

So, if your ISP's SMTP server does not allow port 587, you won't be able to send e-mails until you change the SMTP port to 25.

seems that there is a lot of problems in Office 2010

but it's still beta i hope it would be bug-free in the final version

  • Author

seems that there is a lot of problems in Office 2010

but it's still beta i hope it would be bug-free in the final version

This actually isn't a bug as there are numerous ISP's who do allow SMTP port 587, but it could be painful and confusing for a lot of Microsoft Outlook users.

Useful info on internet protocols here.

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