mdaemon.com Open in urlscan Pro
23.227.38.65  Public Scan

URL: https://mdaemon.com/pages/delivery-status-notification
Submission: On April 29 via manual from IN — Scanned from CA

Form analysis 2 forms found in the DOM

GET /search

<form action="/search" method="get" class="search-bar__table-cell search-bar__form" role="search">
  <input type="hidden" name="type" value="product">
  <div class="search-bar__table">
    <div class="search-bar__table-cell search-bar__icon-cell">
      <button type="submit" class="search-bar__icon-button search-bar__submit">
        <span class="fas fa-search" aria-hidden="true"></span>
      </button>
    </div>
    <div class="search-bar__table-cell">
      <input type="hidden" name="type" value="product">
      <input type="search" id="SearchInput" name="q" value="" placeholder="Search..." aria-label="Search..." class="search-bar__input">
    </div>
  </div>
</form>

POST /cart/add

<form action="/cart/add" method="post" class="variants">
  <select name="id" style="display:none"></select>
  <div class="qty-section quantity-box">
    <label>Quantity :</label>
    <div class="dec button qtyminus">-</div>
    <input type="number" name="quantity" id="Qty" value="1" class="quantity">
    <div class="inc button qtyplus">+</div>
  </div>
  <div class="total-price">
    <label>Subtotal :</label><span class="h5"></span>
  </div>
  <div class="actions">
    <button type="button" class="add-to-cart-btn btn"> Add to Cart </button>
  </div>
</form>

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DELIVERY STATUS NOTIFICATION (DNS)

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WHAT IS A DELIVERY STATUS NOTIFICATION (DSN)?

A Delivery Status Notification (DSN), or simply a bounce, is an automated
electronic mail message from a mail system informing the sender of another
message about a delivery problem. The original message is said to have bounced.
Errors can occur at multiple places in mail delivery. A sender may sometimes
receive a bounce message from the sender's mail server, and other times from a
recipient's mail server. With the rise in forged spam and email viruses, users
now frequently receive erroneous bounce messages sent in response to messages
they never actually sent.

There are two types of DSN messages: transient and permanent. A transient DSN is
generated when the server couldn't temporarily deliver the message. If delivery
continues to fail after multiple attempts, a permanent failure DSN is generated.


WHY DID I RECEIVE A DSN?

There are many reasons why an email may bounce. One reason is if the recipient
address is misspelled, or simply does not exist in the receiving system. This is
a user unknown condition. Other reasons include resource exhaustion - such as a
full disk - or the rejection of the message due to spam filters.

Typically, a bounce message will contain several pieces of information to help
the original sender in understanding the reason the message was not delivered:

 * The date and time the message was bounced
 * The identity of the mail server that bounced it
 * The reason that it was bounced (e.g. user unknown or mailbox full)
 * The headers of the bounced message
 * Some or all of the content of the bounced message

 

Enhanced Mail System Status Codes (RFC 3463), as defined by The Internet
Engineering Task Force (IETF), describes the codes used to indicate the bounce
reason. Common codes are 5.1.1 (Unknown user), 5.2.2 (Mailbox full), and 5.7.1
(Rejected by security policy/mail filter).


WHAT IS EMAIL BACKSCATTER?

Backscatter occurs when spam or viruses send mail using a forged email address
as the return path. This can lead to thousands of bogus delivery status notices
(DSN), vacation and out-of-office messages, auto-responders, etc., ending up in
the inbox.

Backscatter Protection, a feature of MDaemon Messaging Server and
SecurityGateway for Email Servers for Exchange/SMTP Servers, distinguishes
between legitimate and unauthorized use of your email address in the MAIL FROM:
return path. By protecting the return path, MDaemon and SecurityGateway can
determine whether a certain class of messages, such as DSNs, vacation notices,
and auto-responders are valid or not

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