5.1.0 - Unknown address error 550-'5.7.1 Recipient not authorized, your IP has been found on a block list'

Im unable to use my outlook....to mail anyone!   it comes back to me with this...... 5.1.0 - Unknown address error 550-'5.7.1 Recipient not authorized, your IP has been found on a block list'.....   I need help PLZ...what do I do?????
 

Question Info


Last updated August 19, 2019 Views 5,741 Applies to:

Visit a blacklist-lookup site like http://whatismyipaddress.com/blacklist-check and check your IP address. Follow the links to see what to do about it.



Noel Burgess | Certified Pedant | Claims to know a bit about Windows Live Mail

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