Error Codes for Advisor's Growth (Mailgun SMTP)

Error Codes for Advisor's Growth (Mailgun SMTP)

When using Mailgun's SMTP server to send emails through Advisor's Growth, you might encounter various error messages. Below is a comprehensive guide to understanding these errors and how to resolve them.

Common SMTP Errors and Solutions:

• 400 Missing "From" Parameter
  Meaning: The sender's email address is not included.
  Solution: Add the sender’s email address to the "from" field.
  Definition: 'from' is the sender's email address.

• 400 Missing "To" Parameter
  Meaning: The recipient’s email address is missing.
  Solution: Make sure the recipient’s email is specified in the "to" field.
  Definition: 'to' represents the recipient’s email address.

• 400 Missing Message Content
  Meaning: No email content (body) has been provided.
  Solution: Add the email body in the 'message' field.
  Definition: 'message' refers to the body of the email.

• 400 Message Not Provided as a File
  Meaning: The system expects the message to be a file, but it’s not.
  Solution: Ensure the email body is sent as a file in the request.
  Definition: 'message' here is expected to be a file format.

• 400 No "Text" or "HTML" Provided
  Meaning: Neither plain text nor HTML content has been provided.
  Solution: Include at least one format—either plain text or HTML—in the email content.
  Definition: 'text' and 'html' refer to the plain text or HTML versions of the email body.

• 400 Both "HTML" and "Template" Provided
  Meaning: Both an HTML version and a template are provided, but only one is allowed.
  Solution: Use either an HTML version or a template, not both.
  Definition: 'html' refers to the HTML content; 'template' is a pre-designed email template.

• 400 Send Options Too Large
  Meaning: The send options (parameters like 'o:', 'h:', 'v:') exceed the 16 KB size limit.
  Solution: Reduce the total size of the send options below 16 KB.
  Definition: 'o:', 'h:', and 'v:' are parameters for various email options, like delivery settings or custom headers.

• 400 Too Many Recipients
  Meaning: More than 1,000 recipients have been included.
  Solution: Reduce the number of recipients to 1,000 or fewer.
  Definition: Recipients are the people or groups receiving the email.

• 400 Invalid Header Name (Non-ASCII Characters)
  Meaning: The header name contains characters outside the ASCII standard.
  Solution: Use only ASCII characters for header names.
  Definition: ASCII is a standard for encoding text using English characters.

• 400 Non-Compliant RFC-2822 Date
  Meaning: The date format doesn’t comply with RFC-2822 standards.
  Solution: Format the date correctly according to the RFC-2822 specification.
  Definition: RFC-2822 is a format standard for Internet messages.

• 400 Invalid Email Address (To Field)
  Meaning: The recipient’s email address is not valid.
  Solution: Check and correct the recipient's email address.
  Definition: 'to' is the field containing the recipient’s email address.

• 400 Invalid Content Type
  Meaning: The request content type is incorrect; expected 'multipart/form-data', but received something else.
  Solution: Change the request content type to 'multipart/form-data'.
  Definition: This content type is used for sending files.

• 400 Malformed Request Format
  Meaning: The 'multipart/form-data' request is not formatted correctly.
  Solution: Correct the formatting of the 'multipart/form-data' request.
  Definition: A format often used for uploading files.

• 400 Invalid URL Escape Characters
  Meaning: The request URL contains invalid escape characters.
  Solution: Fix the escape characters in the URL.
  Definition: URL escape characters are used to encode special characters in a URL.

• 400 Unexpected EOF (End of File)
  Meaning: The request ended unexpectedly.
  Solution: Ensure the request is complete and formatted properly.
  Definition: EOF refers to the end of a file or data stream.

• 400 Invalid 24-Hour Time
  Meaning: The provided time is not in a valid 24-hour format.
  Solution: Correct the time to a valid 24-hour format.
  Definition: 'o:time-zone-localize' is a parameter for localizing the time zone.

• 401 Forbidden
  Meaning: The user does not have permission to execute the request.
  Solution: Ensure the user has the necessary permissions.
  Definition: The forbidden error typically occurs when access rights are insufficient.

• 404 Domain Not Found
  Meaning: The specified domain does not exist.
  Solution: Use a valid, existing domain.
  Definition: A domain is the part of the email address that comes after the "@" symbol.

• 403 Large Batches Not Allowed
  Meaning: The domain is not authorized to send large batches of emails.
  Solution: Request permission to send large batches, or limit the batch size.
  Definition: Batch refers to a group of emails sent simultaneously.

• 413 Request Size Exceeds Limit
  Meaning: The size of the request exceeds the 52 KB limit.
  Solution: Reduce the size of the email or request.

• 421 Recipient's Email Address Does Not Exist
  Meaning: The recipient’s email address is incorrect or does not exist.
  Solution: Double-check the recipient’s email address for errors.

• 550 Message Delivery Denied
  Meaning: The sender's account may not be authorized or active.
  Solution: Confirm that the sender’s account is active and part of the Google Workspace domain.

By understanding these error messages, you can quickly identify and resolve issues when sending emails through Advisor's Growth, ensuring smoother email delivery and better troubleshooting.