[kwlug-disc] Testing a mail port

Khalid Baheyeldin kb at 2bits.com
Wed Mar 9 14:19:45 EST 2016


But is the mail server at mail.ufn.com configured to allow email from the
domain kwflowers.com? Or will it reject it (like it did for example.com in
your example)?

Backtrack a bit, and verify if having mail.ufn.com handle email for
kwflowers.com intended or just a misconfiguration?

On Wed, Mar 9, 2016 at 2:15 PM, Joe Wennechuk <youcanreachmehere at hotmail.com
> wrote:

> also when I use the smtp check at mxtoolbox.com it tells me that the smtp
> server at mail.ufn.com is good and fine...
>
> smtp:54.235.159.86   Monitor This
> <http://mxtoolbox.com/Public/AboutMonitorThis.aspx?page=mt-smtp&action=smtp:54.235.159.86>
>
>
>  smtp
>
>
> 220 mail.ufn.com Welcome to the @Mail SMTP Server ( Exim )
> TestResult
>
> <http://mxtoolbox.com/problem/smtp/smtp-reverse-dns-mismatch?page=prob_smtp&action=smtp:54.235.159.86&showlogin=1&hidepitch=1&hidetoc=0> SMTP
> Reverse DNS Mismatch OK - 54.235.159.86 resolves to mail.ufn.com
>
> <http://mxtoolbox.com/problem/smtp/smtp-valid-hostname?page=prob_smtp&action=smtp:54.235.159.86&showlogin=1&hidepitch=1&hidetoc=0> SMTP
> Valid Hostname OK - Reverse DNS is a valid Hostname
>
> <http://mxtoolbox.com/problem/smtp/smtp-banner-check?page=prob_smtp&action=smtp:54.235.159.86&showlogin=1&hidepitch=1&hidetoc=0> SMTP
> Banner Check OK - Reverse DNS matches SMTP Banner
>
> <http://mxtoolbox.com/problem/smtp/smtp-tls?page=prob_smtp&action=smtp:54.235.159.86&showlogin=1&hidepitch=1&hidetoc=0> SMTP
> TLS OK - Supports TLS.
>
> <http://mxtoolbox.com/problem/smtp/smtp-connection-time?page=prob_smtp&action=smtp:54.235.159.86&showlogin=1&hidepitch=1&hidetoc=0> SMTP
> Connection Time 0.688 seconds - Good on Connection time
>
> <http://mxtoolbox.com/problem/smtp/smtp-open-relay?page=prob_smtp&action=smtp:54.235.159.86&showlogin=1&hidepitch=1&hidetoc=0> SMTP
> Open Relay OK - Not an open relay.
>
> <http://mxtoolbox.com/problem/smtp/smtp-transaction-time?page=prob_smtp&action=smtp:54.235.159.86&showlogin=1&hidepitch=1&hidetoc=0> SMTP
> Transaction Time 2.703 seconds - Good on Transaction Time
> Session Transcript:
> Connecting to 54.235.159.86
>
> 220 mail.ufn.com Welcome to the @Mail SMTP Server ( Exim ) [609 ms]
> EHLO PWS3.mxtoolbox.com
> 250-mail.ufn.com Hello pws3.mxtoolbox.com [64.20.227.134]
> 250-SIZE 52428800
> 250-8BITMIME
> 250-PIPELINING
> 250-AUTH LOGIN
> 250-STARTTLS
> 250 HELP [641 ms]
> MAIL FROM:<supertool at mxtoolbox.com>
> 250 OK [641 ms]
> RCPT TO:<test at example.com>
> 550 relay not permitted [688 ms]
>
> PWS3v2 3360ms
>
> Joseph Wennechuk
> Phone: (226) 600-6119
> https://www.linkedin.com/pub/joseph-wennechuk/4/b59/382
>
>
>
> > Date: Wed, 9 Mar 2016 13:57:07 -0500
> > From: kb at 2bits.com
> > To: kwlug-disc at kwlug.org
> > Subject: Re: [kwlug-disc] Testing a mail port
> >
> > On Wed, Mar 9, 2016 at 1:49 PM, Joe Wennechuk
> > <youcanreachmehere at hotmail.com> wrote:
> > > actually this is what I was looking for... dig..
> > > The domain is kwflowers.com but I get nothing
> > > interesting back when I do a dig mx kwflowers.com
> >
> > dig mx kwflowers.com says:
> >
> > ;; ANSWER SECTION:
> > kwflowers.com. 86400 IN MX 10 mail.ufn.com.
> >
> > > Now I am not sure. When I use mxtoolbox to check
> > > kwflowers.com I get mail.ufn.com.
> >
> > That confirms what dig shows.
> >
> > So, mail is supposed to be handled by mail.ufn.com
> >
> > Maybe this is what they want, maybe not. If not, then that explains
> > why email is not being handled for that domain.
> >
> >
> > _______________________________________________
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> > kwlug-disc at kwlug.org
> > http://kwlug.org/mailman/listinfo/kwlug-disc_kwlug.org
> >
>
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>


-- 
Khalid M. Baheyeldin
2bits.com, Inc.
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