How to fix error code 421 in an AOL mail account

AOL Error code 421 in an AOL mail account?

AOL Error code 421 is an e-mail error that usually occurs as a result of a temporary routing problem when receiving messages from the end of the e-mail server. According to the study, these errors are not important and are usually automatically solved by users.

Reason For AOL Error Code 421 in AOL Mail Account :

  • Usage of Old version of AOL Mail Application software
  • wrong settings of AOL mail IMAP
  • Infected System from harmful malware such as Trojans, spyware, adware, and viruses
  • The mail server has stopped working
  • Internet connectivity is slower than Need
  • defective PST file
  • ISP setting is not valid and not appropriate
  • Storage and space are not available On Server

Fix The AOL error code 421 :

The steps explained to correct the AOL error code 421 below are explained. AOL error code 421 is not serious but it needs to be resolved faster. Users can follow a few steps to easily correct AOL error code 421.

  • Configure your email mail server settings with the help of ISP’s SMTP relay.
  • Try to reconnect with your service or disconnect from the internet and connect it again.
  • Clearing cache and cookies for AOL.
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