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Activity › Forums › Salesforce® Discussions › What is Hard Bounce and Soft Bounce In Salesforce Marketing Cloud?

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  • Prachi

    Member
    July 18, 2018 at 9:29 AM

    Hello Anjali,

    Hard Bounce – A hard bounce is an e-mail message that is  returned to the sender because the recipient’s address is invalid or the domain doesn’t exist.

    Soft Bounce – A soft bounce is an e-mail message that gets as far as the recipient’s mail server but is bounced back undelivered before it gets to the intended recipient. It tries to send it back again and again after every 15 minutes for 72 hours till the email is delivered properly.

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  • Parul

    Member
    September 23, 2018 at 8:45 AM

    Soft Bounce
    A soft bounce occurs when the email server rejects the email message due to a seemingly temporary condition, such as:

    Address is temporarily unavailable due to an inactive or temporarily disabled mailbox
    Recipient’s mailbox is full
    Temporary domain failure
    The Marketing Cloud will make 288 attempts to deliver the email message. If all attempts are unsuccessful, it is considered a soft bounce.

    Types of soft bounces include:

    • Block Bounce: Occurs when the email server rejects the email message due to filter issues, such as:
      Complaints
      Blacklisted IP address
      Content-related issues
      URLs within the email message are blocked
      Improper authentication
    • Technical Bounce: Occurs when the email server rejects the email message due to technical errors, such as:
      The server is too busy/temporarily overwhelmed
      Formatting or line length errors
      Network connection lost or timed out

    Hard Bounce
    A hard bounce is an email message that is undeliverable for permanent reasons, such as:

    Bad/nonexistent domain
    Invalid or fake email address
    High number of unknown/inactive addresses on a list

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