How to Fix Error Code 421 of Yahoo Mail Instantly
Yahoo is one of the most used email services around the globe, but sometimes you may come across some technical error with it like Error Code 421. Actually, if you are a postmaster for a third-party website which seeing this annoying error code, then here is some information that will help you to enjoy messaging service efficiently. If this error message is in your SMTP logs, then this indicates following:- • The message occurs because you tried to send exhibited features symptomatic of spam email. • It point out which message from your server of mail have been producing substantial complaints from Yahoo Mail customers • Sometimes your mail server may spontaneously retry sending messages in future time, as it's a temporary error. • The IP or its subnet is delayed due to being a poor distribution reputation as well as low connectivity on our MTAs etc. Are you the administrator for the message mailing or content policies? If yes then you can simply fix thi