The full message reads: "554 delivery error: dd Sorry, your message to xxxxx@yyyyy.com cannot be delivered. This mailbox is disabled (554.30)"
This error means the user being contacted does not have an account ({recipients'userid}@yyyy.com).
We recommend removing the email address from your list and reaching out to the contact using another method to confirm the email address being used is correct.
Disclaimer:
In an effort to supply information as quickly as possible, this article has been published prior to a formal technical review, and is subject to factual, grammatical, and various structural errors. Data may be incomplete, misordered, or incorrect.
This additional disclaimer will be removed upon formal review of this article. The standard Punchh Inc. KB Disclaimer still applies, and can be found at: https://support.punchh.com/hc/en-us/articles/360040100273-Punchh-Inc-Knowledge-Base-Disclaimer