Topic: E-mails send fail after upgrade from 5.6 to 6.0 final

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hi,
just after upgrade, which was done last Sunday, users of my LAN started to bang on my door, cause they van not send out mails using outlook or related mail software.
My SME server-gateway is used as a gateway and local intranet, but not a mail server. It was not a problem before. Now users get message like this:

Task 'YAHOO - Sending' reported error (0x800CCC0F) : 'The connection to the server was interrupted.  If this problem continues, contact your server administrator or Internet service provider (ISP).'

Any suggestions?
I did not change a single think in the setup after upgrade.

Spin.

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hi again,

i just made fresh installation of SME 6.0 final, now everythink seems to work perfectly.

Conclusion:    if possible dont upgrade, install from scrap