Bonus material: How to design the perfect email [infographic]

Soft bounce indicates an email could not be delivered for temporary reasons. Common soft bounce errors include:

  • Email rejected by recipient’s email security filter 
  • Recipient’s mailbox is full
  • Server timeout
  • A large email file

After the first soft bounce, most email service providers will continue to try and deliver the email for a few days. Note that after a few attempts to deliver an email if it continues to be unsuccessful, then a soft bounce email address will become a hard bounce and inactive.



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