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550 5.7.1 relaying denied - ip name lookup failed
About Outlook OST file
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550 5.7.1 relaying denied - ip name lookup failed
Symptoms: when sending a mail to blin@mvps.org, you may receive undeliverable message like this:
<mail.chicagotech.net> #5.7.1 smtp;550 5.7.1 <blin@mvps.org>... Relaying denied. IP name lookup failed (x.x.x.x).
Possible Causes:
1. DNS lookup failed
2. The sender of the message does not have the privileges required to complete delivery.
3. You are trying to relay your mail through another SMTP server and it does not permit you to relay.
4. The recipient might have mailbox delivery restrictions enabled.
5. Make sure you mail server is no on a spam list.
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1. Create a contact. To do
that, start the Active Directory Users and Computers. Right-click
Users>New>Contact. Type a name and
click Modify>SMTP,
and then click OK to create the
custom SMTP mail address. Type the SMTP e-mail address, click
OK, click
Next, and then click
Finish.
2. Enable a Contact. To do
that, Start the Active Directory Users and Computers. Right-click the
contact>Exchange Tasks. If the
contact does not have an alias, enter an alias for the contact. Ensure that
Create the Exchange mail
address is checked, and then click Next. Click the
appropriate e-mail address type, and then type the e-mail address.
NOTE: Click the Advanced
tab to configure the Message Format setting. Click
OK, click
Next, and then click
Finish.
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3. Configure Mail
Forwarding. Start the Active Directory Users and Computers. Right-click the
mail-enabled user, and then click Properties>Exchange
General>Delivery Options>Forwarding
Address>Forward to>Modify.
Click the mail-enabled user or the mail-enabled contact, click
OK and then click
OK again.
NOTE: The forwarding address can
be any mail-enabled object such as distribution groups (if more than one
contact), security groups, public folders, and other related items.
How to empty the Deleted
Items upon exiting
To empty the Deleted Items automatically, go to Outlook>Tools>Options>Other,
check the Empty the Deleted Items folder upon exiting.
How to recall sent message
To recall a sent message, open Outlook>Sent Items,
double-click the sent email to open the message. Then select Action>Recall
This Message.
How to switch to
another user on autoload OWA
Do http(s)://servername/exchange/username
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