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Add TLS to SMTP config

This commit is contained in:
Kailash Nadh 2020-05-17 21:07:48 +05:30
parent cb331b9341
commit 18329ff052
3 changed files with 31 additions and 12 deletions
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11
config.toml.sample
View File

@ -84,7 +84,7 @@ max_idle = 10
[smtp.my0] [smtp.my0]
enabled = true enabled = true
host = "my.smtp.server" host = "my.smtp.server"
port = "25" port = 25
# "cram", "plain", or "login". Empty string for no auth. # "cram", "plain", or "login". Empty string for no auth.
auth_protocol = "cram" auth_protocol = "cram"
@ -112,10 +112,14 @@ max_idle = 10
# The number of times a message should be retried if sending fails. # The number of times a message should be retried if sending fails.
max_msg_retries = 2 max_msg_retries = 2
# Enable STARTTLS.
tls_enabled = true
tls_skip_verify = false
[smtp.postal] [smtp.postal]
enabled = false enabled = false
host = "my.smtp.server2" host = "my.smtp.server2"
port = "25" port = 25
# cram or plain. # cram or plain.
auth_protocol = "plain" auth_protocol = "plain"
@ -143,6 +147,9 @@ max_idle = 10
# The number of times a message should be retried if sending fails. # The number of times a message should be retried if sending fails.
max_msg_retries = 2 max_msg_retries = 2
# Enable STARTTLS.
tls_enabled = true
tls_skip_verify = false
[upload] [upload]
# File storage backend. "filesystem" or "s3". # File storage backend. "filesystem" or "s3".

1
go.mod
View File

@ -22,4 +22,3 @@ require (
gopkg.in/volatiletech/null.v6 v6.0.0-20170828023728-0bef4e07ae1b gopkg.in/volatiletech/null.v6 v6.0.0-20170828023728-0bef4e07ae1b
jaytaylor.com/html2text v0.0.0-20200220170450-61d9dc4d7195 jaytaylor.com/html2text v0.0.0-20200220170450-61d9dc4d7195
) )

19
internal/messenger/emailer.go
View File

@ -1,6 +1,7 @@
package messenger package messenger
import ( import (
"crypto/tls"
"fmt" "fmt"
"math/rand" "math/rand"
"net/smtp" "net/smtp"
@ -18,6 +19,8 @@ type Server struct {
Password string `json:"password"` Password string `json:"password"`
AuthProtocol string `json:"auth_protocol"` AuthProtocol string `json:"auth_protocol"`
EmailFormat string `json:"email_format"` EmailFormat string `json:"email_format"`
TLSEnabled bool `json:"tls_enabled"`
TLSSkipVerify bool `json:"tls_skip_verify"`
// Rest of the options are embedded directly from the smtppool lib. // Rest of the options are embedded directly from the smtppool lib.
// The JSON tag is for config unmarshal to work. // The JSON tag is for config unmarshal to work.
@ -35,13 +38,13 @@ type Emailer struct {
// NewEmailer creates and returns an e-mail Messenger backend. // NewEmailer creates and returns an e-mail Messenger backend.
// It takes multiple SMTP configurations. // It takes multiple SMTP configurations.
func NewEmailer(srv ...Server) (*Emailer, error) { func NewEmailer(servers ...Server) (*Emailer, error) {
e := &Emailer{ e := &Emailer{
servers: make(map[string]*Server), servers: make(map[string]*Server),
} }
for _, server := range srv { for _, srv := range servers {
s := server s := srv
var auth smtp.Auth var auth smtp.Auth
switch s.AuthProtocol { switch s.AuthProtocol {
case "cram": case "cram":
@ -56,6 +59,16 @@ func NewEmailer(srv ...Server) (*Emailer, error) {
} }
s.Opt.Auth = auth s.Opt.Auth = auth
// TLS config.
if s.TLSEnabled {
s.TLSConfig = &tls.Config{}
if s.TLSSkipVerify {
s.TLSConfig.InsecureSkipVerify = s.TLSSkipVerify
} else {
s.TLSConfig.ServerName = s.Host
}
}
pool, err := smtppool.New(s.Opt) pool, err := smtppool.New(s.Opt)
if err != nil { if err != nil {
return nil, err return nil, err