Tiscali mail rejected by yahoo

Got this undelivered message:

Reason: The following message to (yahoo address) was undeliverable.The reason for the problem:  553 5.7.1 [BL21] Connections will not be accepted from 62.24.135.129, because the ip is in Spamhaus's list; see https://help.yahoo.com/kb/postmaster/SLN5070.html

Clicking the link brings up this:

Error: "553 5.7.1 [BLXX] Connections not accepted from IP addresses on Spamhaus" when sending email to Yahoo

If you're seeing one of the error messages below, please don't retry sending your message using the same IP address.

• "553 5.7.1 [BL21] Connections not accepted from IP addresses on Spamhaus PBL"
• "553 5.7.1 [BL22] Connections not accepted from IP addresses on Spamhaus SBL"
• "553 5.7.1 [BL23] Connections not accepted from IP addresses on Spamhaus XBL"

In our continuing efforts to protect our users from unsolicited email, Yahoo Mail doesn't accept SMTP connections from:

• Dynamic or residential IP addresses as determined by Spamhaus PBL (Error: 553 5.7.1 [BL21])
• IP addresses listed as spam sources on the Spamhaus SBL (Error: 553 5.7.1 [BL22])
• IP addresses listed as a possible open proxy or spam-sending Trojan Horse on Spamhaus XBL (Error: 553 5.7.1 [BL23])