What error messages are commonly received with course list mailings?

Messages may be returned to the sender or “bounced back” if:

  • Non-member submission
    • Your messages to has not been delivered to the list for the following reason:
    • Non-member submission
    • You are not a member of the course list or your email address is not being recgonized.

  • Excessive File Size
    • 552 5.2.3 Message size exceeds fixed maximum message size (15000000)
    • Attachments are larger than 10MB
    • The file your are attaching is too large and exceeds the message size limits.

  • Listname is not constructed properly

  • Message has implicit destination
    • The list address was in the BCC field instead of To or CC



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