Postfix Secrets and ConfigMap values

Secrets

Custom Name	Default Name	Type	Description	Used in Components (Pods)
<global.secrets.postfix.customSecretName>	<release_name>-postfix-secret	Required when related feature is enabled	Basic authentication secret for SMTP. Secret is either created manually (postfix chart) or already exists.	Postfix

Values

Secret Configuration

Key	Type	Default	Description
secrets	object	-	Secret configuration values for Postfix SMTP credentials.
secrets.credentials.createUserSecret	bool	false	If true, the chart creates a Kubernetes Secret using the username and password parameters. WARNING: Use this for convenience/testing only.
secrets.credentials.customSecretName	string	nil	Custom secret name for SMTP credentials. If umbrella chart is used for deployment, this value is ignored, and the value from global.secrets.postfix.customSecretName will be used as a secret name.
secrets.credentials.password	string	""	SMTP password. Only used if 'createUserSecret' is set to 'true'. WARNING: Use this for convenience/testing only. Do not store sensitive credentials in configuration files that are committed to Git. Consider using a dedicated secret management solution (e.g., Sealed Secrets, External Secrets, or Vault) for production environments.
secrets.credentials.username	string	""	SMTP username. Only used if 'createUserSecret' is set to 'true'. WARNING: Use this for convenience/testing only. Do not store sensitive credentials in configuration files that are committed to Git. Consider using a dedicated secret management solution (e.g., Sealed Secrets, External Secrets, or Vault) for production environments.

Kubernetes Settings

Key	Type	Default	Description
useReloader	string	nil	Whether to enable Reloader annotations. When defined, this value takes precedence over global.useReloader.

Application Configuration

Key	Type	Default	Description
smtp	object	-	SMTP configuration values. These values configure the upstream relay server used by the internal Postfix service.
smtp.hostname	string	"reversinglabs.com"	The hostname used for the SMTP handshake. Emails will appear to originate from this domain.
smtp.port	int	25	Port for the mail server.
smtp.server	string	"localhost"	The FQDN or IP address of the mail server.
smtp.useTls	bool	true	Whether to use TLS when connecting to the mail server.

Pod Settings

Key	Type	Default	Description
image	object	-	Configuration values of the postfix image.
image.pullPolicy	string	"IfNotPresent"	Image pull policy. Options: Always, IfNotPresent, Never.
image.repository	string	"ghcr.io/devture/exim-relay"	Image repository.
image.tag	string	"4.99.1-r0-2"	Image tag.
resources	object	-	Resource requests and limits for the container.
resources.limits	object	-	The maximum amount of resources the container is allowed to consume.
resources.limits.cpu	string	"1000m"	CPU limit. Throttling occurs if the container exceeds this value.
resources.limits.memory	string	"1Gi"	Memory limit. If exceeded, the container may be terminated with an OOMKilled error.
resources.requests	object	-	The minimum amount of resources the container is guaranteed.
resources.requests.cpu	string	"500m"	CPU request.
resources.requests.memory	string	"512Mi"	Memory request.