I am unable to send email
host eig-east.smtp.a.cloudfilter.net [18.215.58.191]
SMTP error from remote mail server after end of data: 550 Connection Rejected - see http://www.spamhaus.org/query/ip/162.241.253.30 AUP#BL
All Replies (1)
Did you check the page that the URL is pointing to for an explanation? an error 550 can be invalid email address, mailbox full, and other causes. Here is a page of general 550 info. I encourage reading the full URL from your error. Thunderbird is not causing this.