extern/mailrelay
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max email size; connection timeout

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This commit is contained in:
wiggin77 2020-06-08 00:28:59 -04:00
parent 066613c962
commit eaa5e32600
4 changed files with 36 additions and 4 deletions
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4
README.md
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@ -44,10 +44,12 @@ On local PC (192.168.1.54) create file `/etc/mailrelay.json` with contents:
"smtp_starttls": false,
"smtp_username": "username@fastmail.com",
"smtp_password": "secretAppPassword",
"smtp_max_email_size": 10485760,
"smtp_login_auth_type": false,
"local_listen_ip": "0.0.0.0",
"local_listen_port": 2525,
"allowed_hosts": ["*"]
"allowed_hosts": ["*"],
"timeout_secs": 30
}
```

6
mailrelay.json
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@ -4,9 +4,11 @@
"smtp_starttls": false,
"smtp_login_auth_type": false,
"smtp_username": "username@fastmail.com",
"smtp_password": "secret_app_password",
"smtp_password": "secret_app_password",
"smtp_max_email_size": 83886080,
"smtp_skip_cert_verify": false,
"local_listen_port": 2525,
"local_listen_ip": "0.0.0.0",
"allowed_hosts": ["*"]
"allowed_hosts": ["*"],
"timeout_secs": 30
}

24
main.go
View File

@ -12,6 +12,14 @@ import (
log "github.com/flashmob/go-guerrilla/log"
)
const (
DefaultSTMPPort = 465
DefaultMaxEmailSize = (10 << 23) // 83 MB
DefaultLocalListenIP = "0.0.0.0"
DefaultLocalListenPort = 2525
DefaultTimeoutSecs = 300 // 5 minutes
)
// Logger is the global logger
var Logger log.Logger
@ -23,9 +31,11 @@ type mailRelayConfig struct {
SMTPUsername string `json:"smtp_username"`
SMTPPassword string `json:"smtp_password"`
SkipCertVerify bool `json:"smtp_skip_cert_verify"`
MaxEmailSize int64 `json:"smtp_max_email_size"`
LocalListenIP string `json:"local_listen_ip"`
LocalListenPort int `json:"local_listen_port"`
AllowedHosts []string `json:"allowed_hosts"`
TimeoutSecs int `json:"timeout_secs"`
}
func main() {
@ -90,6 +100,8 @@ func run() error {
func loadConfig(path string) (*mailRelayConfig, error) {
var cfg mailRelayConfig
configDefaults(&cfg)
file, err := os.Open(path)
if err != nil {
return nil, err
@ -103,6 +115,18 @@ func loadConfig(path string) (*mailRelayConfig, error) {
return &cfg, nil
}
func configDefaults(config *mailRelayConfig) {
config.SMTPPort = DefaultSTMPPort
config.SMTPStartTLS = false
config.SMTPLoginAuthType = false
config.MaxEmailSize = DefaultMaxEmailSize
config.SkipCertVerify = false
config.LocalListenIP = DefaultLocalListenIP
config.LocalListenPort = DefaultLocalListenPort
config.AllowedHosts = []string{"*"}
config.TimeoutSecs = DefaultTimeoutSecs
}
// sendTest sends a test message to the SMTP server specified in mailrelay.json
func sendTest(sender string, rcpt string, port int) error {
conn, err := smtp.Dial(fmt.Sprintf("localhost:%d", port))

6
server.go
View File

@ -9,7 +9,9 @@ import (
"github.com/flashmob/go-guerrilla/mail"
)
const saveWorkersSize = 3
const (
saveWorkersSize = 3
)
// Start starts the server.
func Start(appConfig *mailRelayConfig, verbose bool) (err error) {
@ -28,6 +30,8 @@ func Start(appConfig *mailRelayConfig, verbose bool) (err error) {
sc := guerrilla.ServerConfig{
ListenInterface: listen,
IsEnabled: true,
MaxSize: appConfig.MaxEmailSize,
Timeout: appConfig.TimeoutSecs,
}
cfg.Servers = append(cfg.Servers, sc)