Struct EmailConfig 

pub struct EmailConfig {
    pub smtp_host: String,
    pub smtp_port: u16,
    pub smtp_username: Option<String>,
    pub smtp_password: Option<String>,
    pub tls_mode: TlsMode,
    pub from_address: String,
    pub from_name: String,
    pub reply_to: Option<String>,
    pub connection_timeout: Duration,
    pub send_timeout: Duration,
    pub pool_size: usize,
}

Email configuration

Fields

smtp_host: String

SMTP server host

smtp_port: u16

SMTP server port (typically 587 for STARTTLS, 465 for TLS, 25 for none)

smtp_username: Option<String>

SMTP username (often ‘apikey’ for services like SendGrid)

smtp_password: Option<String>

SMTP password or API key

tls_mode: TlsMode

TLS mode

from_address: String

From email address

from_name: String

From display name

reply_to: Option<String>

Reply-to address (optional)

connection_timeout: Duration

Connection timeout

send_timeout: Duration

Send timeout per email

pool_size: usize

Connection pool size

Implementations

impl EmailConfig

pub fn from_env() -> Result<Self>

Create configuration from environment variables

Environment Variables

Required:

• EMAIL_SMTP_HOST - SMTP server hostname
• EMAIL_FROM_ADDRESS - Sender email address

Optional:

• EMAIL_SMTP_PORT - SMTP port (default: 587)
• EMAIL_SMTP_USERNAME - SMTP username
• EMAIL_SMTP_PASSWORD - SMTP password/API key
• EMAIL_SMTP_TLS - TLS mode: none, starttls, required (default: starttls)
• EMAIL_FROM_NAME - Sender display name (default: “Gatekpr”)
• EMAIL_REPLY_TO - Reply-to address
• EMAIL_CONNECTION_TIMEOUT - Connection timeout in seconds (default: 10)
• EMAIL_SEND_TIMEOUT - Send timeout in seconds (default: 30)
• EMAIL_POOL_SIZE - Connection pool size (default: 4)

pub fn builder() -> EmailConfigBuilder

Create a builder for custom configuration

Trait Implementations

impl Clone for EmailConfig

fn clone(&self) -> EmailConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EmailConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for EmailConfig

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for EmailConfig

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for EmailConfig

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.