client.go

@@ -253,6 +253,8 @@ func WithTimeout(timeout time.Duration) Option {
 }
 
 // WithSSL tells the client to use a SSL/TLS connection
+//
+// Deprecated: use WithSSLPort instead.
 func WithSSL() Option {
 	return func(c *Client) error {
 		c.useSSL = true
@@ -260,16 +262,11 @@ func WithSSL() Option {
 	}
 }
 
-// WithSSLPort tells the Client wether or not to use SSL and fallback.
+// WithSSLPort tells the client to use a SSL/TLS connection.
-// The correct port is automatically set.
+// It automatically sets the port to 465.
 //
-// Port 465 is used when SSL set (true).
+// When the SSL connection fails and fallback is set to true,
-// Port 25 is used when SSL is unset (false).
-// When the SSL connection fails and fb is set to true,
 // the client will attempt to connect on port 25 using plaintext.
-//
-// Note: If a different port has already been set otherwise, the port-choosing
-// and fallback automatism will be skipped.
 func WithSSLPort(fallback bool) Option {
 	return func(c *Client) error {
 		c.SetSSLPort(true, fallback)
@@ -307,8 +304,7 @@ func WithHELO(helo string) Option {
 
 // WithTLSPolicy tells the client to use the provided TLSPolicy
 //
-// Note: To follow best-practices for SMTP TLS connections, it is recommended
+// Deprecated: use WithTLSPortPolicy instead.
-// to use WithTLSPortPolicy instead.
 func WithTLSPolicy(policy TLSPolicy) Option {
 	return func(c *Client) error {
 		c.tlspolicy = policy
@@ -323,9 +319,6 @@ func WithTLSPolicy(policy TLSPolicy) Option {
 // If the connection fails with TLSOpportunistic,
 // a plaintext connection is attempted on port 25 as a fallback.
 // NoTLS will allways use port 25.
-//
-// Note: If a different port has already been set otherwise, the port-choosing
-// and fallback automatism will be skipped.
 func WithTLSPortPolicy(policy TLSPolicy) Option {
 	return func(c *Client) error {
 		c.SetTLSPortPolicy(policy)
@@ -470,9 +463,6 @@ func (c *Client) ServerAddr() string {
 }
 
 // SetTLSPolicy overrides the current TLSPolicy with the given TLSPolicy value
-//
-// Note: To follow best-practices for SMTP TLS connections, it is recommended
-// to use SetTLSPortPolicy instead.
 func (c *Client) SetTLSPolicy(policy TLSPolicy) {
 	c.tlspolicy = policy
 }
@@ -484,11 +474,7 @@ func (c *Client) SetTLSPolicy(policy TLSPolicy) {
 // If the connection fails with TLSOpportunistic, a plaintext connection is
 // attempted on port 25 as a fallback.
 // NoTLS will allways use port 25.
-//
-// Note: If a different port has already been set otherwise, the port-choosing
-// and fallback automatism will be skipped.
 func (c *Client) SetTLSPortPolicy(policy TLSPolicy) {
-	if c.port == DefaultPort {
 	c.port = DefaultPortTLS
 
 	if policy == TLSOpportunistic {
@@ -497,7 +483,6 @@ func (c *Client) SetTLSPortPolicy(policy TLSPolicy) {
 	if policy == NoTLS {
 		c.port = DefaultPort
 	}
-	}
 
 	c.tlspolicy = policy
 }
@@ -514,11 +499,8 @@ func (c *Client) SetSSL(ssl bool) {
 // Port 25 is used when SSL is unset (false).
 // When the SSL connection fails and fb is set to true,
 // the client will attempt to connect on port 25 using plaintext.
-//
-// Note: If a different port has already been set otherwise, the port-choosing
-// and fallback automatism will be skipped.
 func (c *Client) SetSSLPort(ssl bool, fallback bool) {
-	if c.port == DefaultPort {
+	c.port = DefaultPort
 	if ssl {
 		c.port = DefaultPortSSL
 	}
@@ -527,7 +509,6 @@ func (c *Client) SetSSLPort(ssl bool, fallback bool) {
 	if fallback {
 		c.fallbackPort = DefaultPort
 	}
-	}
 
 	c.useSSL = ssl
 }

smtp/smtp_test.go

@@ -777,9 +777,9 @@ func TestClient_SetLogger(t *testing.T) {
 	if c.logger == nil {
 		t.Errorf("Expected Logger to be set but received nil")
 	}
-	c.logger.Debugf(log.Log{Direction: log.DirServerToClient, Format: "%s", Messages: []interface{}{"test"}})
+	c.logger.Debugf(log.Log{Direction: log.DirServerToClient, Format: "", Messages: []interface{}{"test"}})
 	c.SetLogger(nil)
-	c.logger.Debugf(log.Log{Direction: log.DirServerToClient, Format: "%s", Messages: []interface{}{"test"}})
+	c.logger.Debugf(log.Log{Direction: log.DirServerToClient, Format: "", Messages: []interface{}{"test"}})
 }
 
 var newClientServer = `220 hello world