• Subject: Re: outlook cannot connect to your outgoing (smtp) e-mail server
  • Author: Mike M.
  • Date: 13 Nov 2008
  • References: 1 2 3
I have SBCGLOBAL (yahoo) and was able to solve the issue by changing the SMTP
port to 587.

"N. Miller" wrote:

> On Wed, 2 Jul 2008 20:20:29 -0700 (PDT), benjaminlp wrote:
>
> > On Jul 2, 4:51 pm, Mrmann <Mrm...@discussions.microsoft.com> wrote:
> >> I am getting error msg when I try to send email from outlook 2007. It will
> >> receive, but will not send outgoing email from my webmail.
> >> Task 'TDB - Sending' reported error (0x80042109) : 'Outlook cannot connect
> >> to your outgoing (SMTP) e-mail server. If you continue to receive this
> >> message, contact your server administrator or Internet service provider
> >> (ISP).'
>
> > Do you have comcast cable internet? If so, they (and probably other
> > ISPs) block your outgoing mail port (typically 25) they recommend you
> > switch it to 587 but that never works either. The only solution I
> > have found is to use their SMTP server but that limits your relays per
> > day. If you have Yahoo DSL (at&t SBC or whoever they are now) you can
> > request them to unblock it. I beat my head against the wall for hours
> > on this one until i figured out that they do this. It's wrong.
>
> It is not wrong. Port 25 is designated by RFC 2821 for "Mail Transfer".
> Unless you are running a Mail Transfer Agent (MTA; aka, "mail server"),
> don't *need* access to port 25.
>
> Since 1996, RFC 2476 designates port 587 for "Message Submission". If you
> are using a "Message Submission Agente" (MSA; aka, "MS Outlook Express",
> "Mozilla Thunderbird", or the like), you don't need to use a "mail transfer
> port", but you do need to use a "message submission port".
>
> Comcast makes either port 587, or port 465 (w/SSL) available. AT&T (at&t
> Yahoo! HSI) makes port 587 available on their legacy SMTP AUTH servers; port
> 465 (w/SSL) on the Yahoo! servers ('smtp.att.yahoo.com'). Other common email
> service providers have followed suit. I have not needed to use port 25 for
> two, or three years, now. And I use SMTP with Gmail, GMX Mail, AOL Mail,
> Yahoo! Mail, and others.
>
> --
> Norman
> ~Oh Lord, why have you come
> ~To Konnyu, with the Lion and the Drum
>
02 Jul 2008outlook cannot connect to your outgoing (smtp) e-mail server.Mrmann
02 Jul 2008|- Re: outlook cannot connect to your outgoing (smtp) e-mail server.benjaminlp
03 Jul 2008|  |- Re: outlook cannot connect to your outgoing (smtp) e-mail server.Mrmann
08 Nov 2008|  |  \ Re: outlook cannot connect to your outgoing (smtp) e-mail server.Howie
09 Nov 2008|  |     \ Re: outlook cannot connect to your outgoing (smtp) e-mail server.Diane Poremsky [MVP]
19 Nov 2008|  |        \ Re: outlook cannot connect to your outgoing (smtp) e-mail server.Howie
04 Jul 2008|  \ Re: outlook cannot connect to your outgoing (smtp) e-mail server.N. Miller
03 Aug 2008|     |- Re: outlook cannot connect to your outgoing (smtp) e-mail server.Becky
13 Nov 2008|     \ Re: outlook cannot connect to your outgoing (smtp) e-mail server.Mike M.
25 Nov 2008\ outlook is unable to connect to your outgoing (SMTP)e-mail server.rulark
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