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Support - Common Email Error Codes

Error 200: What this means

This states that the success code used to inform mail servers is not in the standard format. No action needs to be taken.

Error 211: What this means

This is a reply to a system status request. No action needs to be taken.

Error 220: What this means

This is a reply to a request to test connectivity to a mail server. No action needs to be taken.

Error 221: What this means

Service Closing Transmission Channel. Request to stop sending mail (after a QUIT command). No action needs to be taken.

Error 250: What this means

Mail server has successfully executed a command and the DNS is reporting a positive delivery. This is a response indicating a successful command execution. No action needs to be taken.

Error 251: What this means

Your message to a specified email address is not local to the mail server, but it will accept and forward the message to a different recipient email address. This is a response indicating that the email message could not be delivered locally but will be forwarded to the email address. No action needs to be taken.

Error 252: What this means

Recipient is unknown but mail server accepts the message and attempts delivery anyway. No action needs to be taken.

Error 354: What it means

Indicates mail server is ready to accept the message or instruct your mail client to send the message after the mail server has received the message headers. This indicates that the mail server is ready to receive the message. No action needs to be taken.

Error 554: What this error means

Typically this error indicates that you are trying to send your Adhost email through Adhost’s mail server when you have not authenticated your email account to send mail. Our mail server authenticates you through your pop account. So when you check your email, our mail server authenticates your pop user and password, captures that IP that you are checking your email from, and adds that IP to our relay list. This list is flushed every 70 minutes. This means, if you try to send email after the relay list has been flushed and before you’ve attempted to check your email, you will receive this error.

How to fix the problem:

Fix #1 - reauthenticate on our server.

1. Remove any email from your Outbox. If you need to keep the message, you can move it to your 'Drafts' folder.
2. Click "Send/Receive". This will reauthenticate you.
3. Try resending the email.

Fix #2 - configure your email client to check for email before sending.

1. In Outlook, go to "Tools" and select "Email Accounts". Make sure "View or change existing e-mail accounts" is checked. Click Next.
2. Select your account from the list and click "Change".
3. Select "More Settings".
4. Select "Outgoing Server".
5. Check "My outgoing server (SMTP) requires authentication".
6. Select "Log on to incoming mail server before sending mail".
7. Click "OK", then "Next", then "Finish".