#5.5.0 smtp;553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1) This means the server you are trying to send to is blocking mail sent from your server.You'll need to contact the recipient's administrator or send your message using a different mail server. Double click on the email account then click More Settings. Select Log on using and enter the username and password that can send using this SMTP server. Task - Sending reported error (0x80042109) : Outlook cannot connect to your outgoing (SMTP) e-mail server.
When you are checking for new mail you might receive one of the following errors.
Tip: In many cases error codes are identical between Outlook and Outlook Express.
If you search Bing for an error code and find a site which discusses Outlook Express, check it out.
Because Outlook and Outlook Express both use the same underlying technology, the cause and the solution may be the same for Outlook.
Also, make sure your firewall is allowing the scanner software to connect to the Internet.
Error 0x800CCC7D when sending email This error code means you have SSL enabled and your mail server doesn't support SSL.Disable SSL in Tools, Email Accounts, double click on the account, More Settings, Advanced tab.The error message may say that it's a Secure Sockets Layer error.Error 0x800CCC78 when sending Verify the address you have entered in the From field is correct.Make sure there are no leading or ending spaces or other simple to overlook typos in your address.Verify sending authentication is correct in the Outgoing server tab of the More Settings dialog.