diff --git a/README.md b/README.md
index bebcdd4..a6e1e39 100644
--- a/README.md
+++ b/README.md
@@ -114,7 +114,7 @@ Open the `config/config.json` file in the run directory, edit a few configuratio
 
 # Mail Client Configuration
 
-POP3 Server Address : [Your Domain]
+POP3 Server Address : pop.[Your Domain]
 
 POP3 Port: 110/995(SSL)
 
diff --git a/README_CN.md b/README_CN.md
index 0debc65..ea5b2e5 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -115,7 +115,7 @@ PMail是一个追求极简部署流程、极致资源占用的个人域名邮箱
 
 # 第三方邮件客户端配置
 
-POP3地址： [你的域名]
+POP3地址： pop.[你的域名]
 
 POP3端口： 110/995(SSL)
 
diff --git a/server/config/config.go b/server/config/config.go
index ca23e86..2999610 100644
--- a/server/config/config.go
+++ b/server/config/config.go
@@ -39,7 +39,7 @@ type Config struct {
 //go:embed tables/*
 var tableConfig embed.FS
 
-const Version = "2.3.1"
+const Version = "2.3.2"
 
 const DBTypeMySQL = "mysql"
 const DBTypeSQLite = "sqlite"
diff --git a/server/pop3_server/pop3server.go b/server/pop3_server/pop3server.go
index 8ff9644..edf1f91 100644
--- a/server/pop3_server/pop3server.go
+++ b/server/pop3_server/pop3server.go
@@ -21,7 +21,7 @@ func StartWithTls() {
 	tlsConfig.Certificates = []tls.Certificate{crt}
 	tlsConfig.Time = time.Now
 	tlsConfig.Rand = rand.Reader
-	instanceTls = gopop.NewPop3Server(995, config.Instance.Domain, true, tlsConfig, action{})
+	instanceTls = gopop.NewPop3Server(995, "pop."+config.Instance.Domain, true, tlsConfig, action{})
 	instanceTls.ConnectAliveTime = 5 * time.Minute
 
 	log.Infof("POP3 With TLS Server Start On Port :995")
@@ -41,7 +41,7 @@ func Start() {
 	tlsConfig.Certificates = []tls.Certificate{crt}
 	tlsConfig.Time = time.Now
 	tlsConfig.Rand = rand.Reader
-	instance = gopop.NewPop3Server(110, config.Instance.Domain, false, tlsConfig, action{})
+	instance = gopop.NewPop3Server(110, "pop."+config.Instance.Domain, false, tlsConfig, action{})
 	instance.ConnectAliveTime = 5 * time.Minute
 	log.Infof("POP3 Server Start On Port :110")
 
diff --git a/server/services/setup/dns.go b/server/services/setup/dns.go
index b6d81e4..6282fcd 100644
--- a/server/services/setup/dns.go
+++ b/server/services/setup/dns.go
@@ -27,6 +27,7 @@ func GetDNSSettings(ctx *context.Context) ([]*DNSItem, error) {
 
 	ret := []*DNSItem{
 		{Type: "A", Host: "smtp", Value: getIp(), TTL: 3600, Tips: i18n.GetText(ctx.Lang, "ip_taps")},
+		{Type: "A", Host: "pop", Value: getIp(), TTL: 3600, Tips: i18n.GetText(ctx.Lang, "ip_taps")},
 		{Type: "MX", Host: "-", Value: fmt.Sprintf("smtp.%s", configData.Domain), TTL: 3600},
 		{Type: "TXT", Host: "-", Value: "v=spf1 a mx ~all", TTL: 3600},
 		{Type: "TXT", Host: "default._domainkey", Value: auth.DkimGen(), TTL: 3600},
diff --git a/server/services/setup/ssl/ssl.go b/server/services/setup/ssl/ssl.go
index 848b383..9a79bd4 100644
--- a/server/services/setup/ssl/ssl.go
+++ b/server/services/setup/ssl/ssl.go
@@ -116,7 +116,7 @@ func GenSSL(update bool) error {
 	myUser.Registration = reg
 
 	request := certificate.ObtainRequest{
-		Domains: []string{"smtp." + cfg.Domain, cfg.WebDomain},
+		Domains: []string{"smtp." + cfg.Domain, cfg.WebDomain, "pop." + cfg.Domain},
 		Bundle:  true,
 	}
 	certificates, err := client.Certificate.Obtain(request)