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Refactor TLS policy comments for clarity

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Updated comments for WithTLSPolicy and WithTLSPortPolicy to provide clearer explanations. Improved readability and emphasized recommended best practices for SMTP TLS connections.
This commit is contained in:
Winni Neessen 2024-10-04 21:45:12 +02:00
parent 3e5c93a418
commit bae0ac6cde
Signed by: wneessen
GPG key ID: 385AC9889632126E
1 changed files with 11 additions and 11 deletions
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22
client.go
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@ -348,10 +348,10 @@ func WithHELO(helo string) Option {
} }
} }
// WithTLSPolicy tells the client to use the provided TLSPolicy // WithTLSPolicy sets the TLSPolicy of the Client and overrides the DefaultTLSPolicy
// //
// Note: To follow best-practices for SMTP TLS connections, it is recommended // Note: To follow best-practices for SMTP TLS connections, it is recommended to use
// to use WithTLSPortPolicy instead. // WithTLSPortPolicy instead.
func WithTLSPolicy(policy TLSPolicy) Option { func WithTLSPolicy(policy TLSPolicy) Option {
return func(c *Client) error { return func(c *Client) error {
c.tlspolicy = policy c.tlspolicy = policy
@ -359,16 +359,16 @@ func WithTLSPolicy(policy TLSPolicy) Option {
} }
} }
// WithTLSPortPolicy tells the client to use the provided TLSPolicy, // WithTLSPortPolicy enables explicit TLS via STARTTLS for the Client using the provided TLSPolicy. The
// The correct port is automatically set. // correct port is automatically set.
// //
// Port 587 is used for TLSMandatory and TLSOpportunistic. // If TLSMandatory or TLSOpportunistic are provided as TLSPolicy, port 587 will be used for the connection.
// If the connection fails with TLSOpportunistic, // If the connection fails with TLSOpportunistic, the Client will attempt to connect on port 25 using
// a plaintext connection is attempted on port 25 as a fallback. // using an unencrypted connection as a fallback. If NoTLS is provided, the Client will always use port 25.
// NoTLS will allways use port 25.
// //
// Note: If a different port has already been set otherwise, the port-choosing // Note: If a different port has already been set otherwise using WithPort, the selected port has higher
// and fallback automatism will be skipped. // precedence and is used to establish the SSL/TLS connection. In this case the authmatic fallback
// mechanism is skipped at all.
func WithTLSPortPolicy(policy TLSPolicy) Option { func WithTLSPortPolicy(policy TLSPolicy) Option {
return func(c *Client) error { return func(c *Client) error {
c.SetTLSPortPolicy(policy) c.SetTLSPortPolicy(policy)