I tried "telnet smtp 25 '*'" and nothing, but your suggestion worked.
Thanks!!!


On 9/17/2014 6:57 PM, Jaime Ventura wrote:
> Hey,
>
> Did you tried googling it? "telnet smtp 220 asterisks"?
> Looks like is a cisco feature.
>
> Cheers,
>
>
> On Thu, Sep 18, 2014 at 1:03 AM, Eric Shubert <[email protected]
> <mailto:[email protected]>> wrote:
>
>     On 09/17/2014 02:35 PM, Eric Broch wrote:
>
>         Hello list,
>
>         Can anyone tell me why, when I telnet to one of my email
>         servers over
>         port 25 that the SMTP greeting is starred (*) out, but if I
>         telnet to
>         the same server over the submission port I get the standard
>         greeting. As
>         follows:
>
>         # telnet host.domain.com <http://host.domain.com> 25
>         Trying 'host address'
>         Connected to 'host address'
>         Escape character is '^]'
>         220 *************************************************************
>
>         # telnet host.domain.com <http://host.domain.com> 587
>         Trying 'host address'
>         Connected to 'host address'
>         Escape character is '^]'
>         220 smtp server greeting
>
>
>     Looks to me like there is some other host that's receiving the
>     port 25 traffic, like a firewall/proxy device of some sort, that's
>     either intercepting or altering the 220 reply. If you're not
>     seeing any tcpserver lines in the smtp log, then it'd be the
>     former. If you do see corresponding tcpserver log messages, then
>     it'd be the later.
>
>
>         And, will this affect my SMTP email reception in any way?
>
>
>     I wouldn't think so. It would keep your server from being counted
>     in some polling that's done to see what kind of mail servers
>     people are using. It's for that reason that I encourage people to
>     leave the "Qmail Toaster Ver. 1.3" string in there. I probably
>     should bump up that version for the new packages. ;)
>
>
>     -- 
>     -Eric 'shubes'
>
>
>
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