E
E_004
E-mail dispatch failed
An exception was raised during `composeMail()` while preparing or handing off the message to the SMTP/queue layer. The recipient was not reached; inspect the message body for the upstream error.
What this code means
An exception was raised during `composeMail()` while preparing or handing off the message to the SMTP/queue layer. The recipient was not reached; inspect the message body for the upstream error.
Where you will see it
- In the subject line of technical-notification e-mails — for example
[E_004] [eHealthcheck] … - As a badge in the admin log viewer at
/log, where you can filter and drill into individual entries. - In the
core__system_logtable, stored against the code id fromcore__system_log_code.