The server could not recognize the command due to a syntax error. This may involve errors such as command line too long and cause the server unable to process the command received. Causes Bad interaction of the server with your firewall or antivirus. Fixes Step 1: Bad Interaction To confirm…
An error of your mail server. It is often because an issue to the local spam-filter. It had caused the message for continuing. Cause Your server or remote mail server anti-spam channel has kept this message from continuing. Fixes Step 1: Debilitating Active Anti-Spam Endeavour debilitating active anti-spam channel from…
The server cannot deal with the command at this time. Causes For reasons unknown, the server is briefly unfit to oblige at least one of the parameters related with a MAIL FROM or Recipient To order. Fixes Step 1: Allow Time Allow time for more attempts. Step 2: Contact NET…
Insufficient server or system storage. Causes Too many emails send and too many recipients Message overload Fixes Step 1: Review Current Mail Queue Review the current mail queue and log to make sure adequate sending rate. Step 2: Check Disk Space Ensure and check your server disk space or storage…
Aborted – local error in processing. This means NET server or the server that’s got a first relay from yours has meets a connection problem. Cause As a rule, because of an over-burdening at the ISP from an excessive number of messages or transient failures. Can refer to a rejection…
User mailbox is unavailable. Causes A process on the remote server is tidying up the mailbox The remote mailbox could be corrupted Remote mailbox may be stored on another server which is now offline The network connection went down while sending The remote mail cut off would prefer not to…
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 member of routing group which got deleted. Configuration of SMTP connector is done to use DNS without smart host. Fixes Step…
Your outgoing message timeout due to an issue that concerning the incoming server. Causes Issues concerning the incoming server Happens generally when you exceeded your server limit of number of recipients for a message Issue with the message header Time out of the protocol between the communicating and remote server…
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 occurred between receiving and sending server Numerous redirects and different intermediate mail exchanges Fixes Step 1: Creation Of Loops Checking some situations…
The connection was dropped during the transmission. This is quite often identified with networking or system administration misconfigurations or downtime. Causes Typical network connection issue Downtime of exchange server Fixes Step 1: Transient Error This can be a transient error, but if the error continues further, then you need to…