I have just been blacklisted, again; and am unable to send emails. I can receive emails but cannot send them. When I try to send them I get the following message - Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: Connection refused - OB115. 103.137.12.230 is blacklisted. If you believe this to be in error, please contact [edited] @bigpond.com. This has happened several times and I have discovered that if I turn off the modem for about 24 hours, when I restart it; I get a different IP address, and everything works fine till the next time. I have logged onto my Telstra home page and have sent and received emails from there; which seems to indicate the issue is with Thunderbird on my computer. I am asking for your support in this matter, as being blacklisted in not funny. Help!!!.. I have spoken with Telstra on this issue and they have referred me to you as we were able to send email from my Telstra home page; but not from my computer. My email address is [email removed from public] or phone Aust [phone# removed from public]