Re: [PATCH v3] docs: git-send-email: difference between ssl and tls smtp-encryption

["brian m. carlson" <sandals@crustytoothpaste.net>]

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On 2022-10-12 at 15:06:19, sndanailov@wired4ever.net wrote:
> diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
> index 3290043053..765b2df853 100644
> --- a/Documentation/git-send-email.txt
> +++ b/Documentation/git-send-email.txt
> @@ -178,9 +178,18 @@ Sending
>  	for `sendmail` in `/usr/sbin`, `/usr/lib` and $PATH.
>  
>  --smtp-encryption=<encryption>::
> -	Specify the encryption to use, either 'ssl' or 'tls'.  Any other
> -	value reverts to plain SMTP.  Default is the value of
> -	`sendemail.smtpEncryption`.
> +	Specify in what way encrypting begins for the SMTP connection.
> +	Valid values are 'ssl' and 'tls'. Any other value reverts to plain
> +	(unencrypted) SMTP, which defaults to port 25.
> +	Despite the names, both values will use the same newer version of TLS,
> +	but for historic reasons have these names. 'ssl' refers to "implicit"
> +	encryption (sometimes called SMTPS), that uses port 465 by default.
> +	'tls' refers to "explicit" encryption (often known as STARTTLS),
> +	that uses port 25 by default. Other ports might be used by the SMTP
> +	server, which are not the default. Commonly found alternative port for
> +	'tls' and unencrypted is 587. You need to check your provider's
> +	documentation or your server configuration to make sure
> +	for your own case. Default is the value of `sendemail.smtpEncryption`.

I'm happy with this as it stands.  Thanks for taking my suggestions and
sending a patch to improve the docs.
-- 
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA

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