Mail IP Blacklist by Yahoo

If your email is blaklisted by Yahoo, users will receive the following bounced back message.

Bounced Back Message:
421 4.7.0 [TS01] Messages from <0.0.0.0> temporarily deferred due to user complaints -
<0.0.0.0> ; see http://postmaster.yahoo.com/421-ts01.html

First find out the cause and resolved the matter.
Then visit the link below to request for removal from blacklist by Yahoo.

http://help.yahoo.com/l/us/yahoo/mail/postmaster/bulkv2.html

  • 32 Users Found This Useful
Was this answer helpful?

Related Articles

IP Address blocked by Autoban

Autoban is a security feature provided by the mail server for Windows-based hosting.The purpose...

Why Email Falls into Junk/Spam Category

Every mail server may apply different spam filtering mechanism to filter out junk mails from...

Email Rejected by DNSBL

DNSBL is a blocking list that keeps a record of specific IP address/network with spamming...

Spam Mails and How to Deal with Them

Spam mails, also known as junk mails, are unsolicited mails sent in bulks. It is a form of...

How Email Password is Stolen

Spamming activity happens when user's email password is stolen and being used by hackers/spammers...