Forwarding email ports
2600denver at gmail.com
Mon Feb 5 04:31:31 UTC 2007
1. The same argument could be used "if I'm an exit server that
redirects any traffic" so you shouldn't worry.
2. If you are an open relay, yes (if you run your own mail server). If
you are not one, probably not.
3. Just as likely without email enabled
3. Just as likely without email enabled.
On 2/4/07, Michael_google gmail_Gersten <keybounce at gmail.com> wrote:
> I read through the january archives on email ports, specifically 465,
> 587, and 995.
> First, are these the ports needed to support standard secure email
> (SMTP and PoP)?
> Second, why were there three of them for two protocols? Did I
> misunderstand something?
> Third, what are the implications -- both security, and legal -- if I
> open these on my machine. I'm thinking in particular, that:
> 1. If only one exit node is outputting these ports, it becomes an
> obvious snoop target -- how does that affect security?
> 2. If I'm forwarding email, am I likely to find my site "blacklisted"
> 3. Am I likely to get some sort of "Cease and desist" letter, or other
> legal hassle, for this?
> 4. Since my machine has about 22K/s bandwidth, how likely is it that I
> will be badly backlogged / overtargetted?
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