General

General

Error 101 Unable Connect – Causes and Fixes
The server is unable to connect or start an SMTP session. Causes Usually point to a configuration problem. For example, incorrectly spelled the SMTP...
Error 420 Connection Timeout – Causes and Fixes
Timeout connection problem. The server Administrator of the receiving mail will have the option to confirm the real issue only. Causes Typically, as a...
Error 422 Exceeded Storage Limit – Cause and Fixes
Recipient mailbox has exceeded its storage limit. Causes It could be message delivery directory is running over sized Mailbox has exceeded its stora...
Error 431 Insufficient Space – Cause and Fixes
Not enough space on the disk. Causes Number of recipients the email message has – receiving server cannot parse which of the recipients it is supposed...
Error 432 Mail Queue Stop – Causes and Fixes
Recipients exchange server incoming mail queue stopped. Causes Typically, due to a connection problem. Fixes Step 1: Contact NET For More Informatio...
Error 441 Server Not Responding – Causes and Fixes
The recipient server is not responding. This issue is explicitly regarding the recipient incoming mail server. Causes Used up all your data transfer quo...
Error 446 Hop Count Exceeded – Cause and fixes
The maximum of hop count was exceeded for the message. This means that your server does not know where to send the mail. Cause An internal loop has oc...
Error 447 Outgoing Message Timeout – Causes and Fixes
Your outgoing message timeout due to an issue that concerning the incoming server. Causes Issues concerning the incoming server Happens generally wh...
Error 449 Routing Error – Causes and Fixes
A routing error that is related to Microsoft Exchange Server only. It is also similar to Error 432. Causes A message is sent to a receiver who was a m...
Error 450 User Mailbox Unavailable – Causes and Fixes
User mailbox is unavailable. Causes A process on the remote server is tidying up the mailbox The remote mailbox could be corrupted Remote mailbox ...