Fix: Yahoo SMTP Error Code Tss04
- Step 1: The Yahoo SMTP error code Tss04 is also referred to as the error 421 4.7.0.
- Step 2:The error occurs when there is an unusual amount of traffic from your IP address.
- Step 3:It can also occur if the email recipients from your mail server are generating complaints from Yahoo mail users.
- Step 4:The error is read as
421 4.7.0 [TSS04] Messages from x.x.x.x temporarily deferred due to use complaints - 184.108.40.206
- Step 1:Sign up for Yahoo’s complaint feedback.
- Step 2:Once you sign up, you will receive an email showing you if your Email is marked as a Spam.
- Step 3:If you receive this feedback, it is advised to remove the user from your mail contact to avoid further occurrences.
- Step 4:The Yahoo SMTP error code Tss04 is, however, Temporary.
- Step 5:It is advised to wait for a couple of hours as the error can be fixed without any meddling.
- Step 6:It is necessary to send a few mails to recheck after encountering the error.