Error 550

djsparrow

hii i keep having this error on my system can someone help me?

<jojo.moineau@hotmail.com>: host
    hotmail-com.olc.protection.outlook.com[104.47.55.33] said: 550 5.7.1
    Unfortunately, messages from [138.197.150.59] weren't sent. Please contact
    your Internet service provider since part of their network is on our block
    list (S3140). You can also refer your provider to
    http://mail.live.com/mail/troubleshooting.aspx#errors.
    [MW2NAM10FT030.eop-nam10.prod.protection.outlook.com] (in reply to MAIL
    FROM command)

thanks in advance

accolon

Your mail server IP is listed on several SPAM blacklists:
https://mxtoolbox.com/SuperTool.aspx?action=blacklist%3a138.197.150.59&run=toolpage#

You should probably find out why it is listed (perhaps a misconfiguration?), fix the problem and try to get it removed from those lists.