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

How Email Password is Stolen

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

Email Configuration Recommendations

There are two protocols that is frequently in use to retrieve email contents, which is POP3 and...

Disable Junk folder in MS Outlook

Some emails will fall in Spam folder due to spam-trigger words detected or some other criteria....

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...

Email Rejected by DNSBL

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