Hello @Cathy-DKG ,
The issue would be something on the receiving end, other just means their domain / ISP bounced it back for a reason we couldn't discern. It may be worth reaching out to whomever the other-bounced contacts' domain is, to see if they can offer any insight or help get you safelisted. You're also welcome to call our Deliverability team to see if they can pull logs or provide any additional insight regarding your other-bounces.
... View more
