sendmail help

[Vladimir Dronnikov]

Hi!

>
> Is it possible to use port 465? Port 25 sometimes is blocked by ISPs.
>

The port here is processed by openssl. I think nothing makes 465 unusable...

>> You'll be prompted for password, or you can pass you credentials (two
>> lines file: username, password) to fd 4 like:
>
> Why username/password is passed through fd 4? I don't see where that happens.
> Is it a openssl's feature? I tried to google for that but so far failed.

It is read by sendmail by:
		get_cred_or_die(4);

The rationale is to keep sendmail session fully automatable, without
user interaction.

Regards,
--
Vladimir