Re: alternate smtp
From: Andrew (dunggaze_at_yahoo.com)
Date: 09/10/05
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Date: Fri, 9 Sep 2005 22:53:51 -0400
"Brad Olin" <bwo@bwo1.com> wrote in message
news:s463i1h2qtbmrneo1ffftjcpudgv80kok6@4ax.com...
> On Thu, 8 Sep 2005 18:14:55 -0400, "Andrew" <dunggaze@yahoo.com> wrote:
>
>>Hi,
>>
>>I am using RH9.0 and sendmail as my email server. It works good. However,
>>recently the ISP doesn't allow the customers to use port 25 to go through
>>their network. Now, I can't use any other smtp than the one provided by
>>the
>>ISP. My email server can't send email any more. Is it possible to
>>alternate
>>other protocols or ports than smtp? and how can I change smtp to other
>>port/protocol? thanks for any idea.
>>
>>Andrew
>>
>
>
> The smart_host feature of sendmail was intended for just this kind of
> issue. Edit /etc/mail/sendmail.mc and look for a line that looks like
>
> dnl define(`SMART_HOST',`smtp.your.provider')
>
> Un-comment the line by removing the prefix 'dnl ', and change the
> smtp.your.provider to the name of your ISP's smtp server. Save your
> edit, then just make your config and restart sendmail with commands like
>
> make -C /etc/mail
> /etc/init.d/sendmail restart
>
>
> This feature allows you to use your rh box as your smtp server, your rh
> box in turn will relay though the named smtp server. The email will
> have headers that reflect all machines involved, but that's a good thing
> IMHO.
>
>
>
> As for your provider blocking ports: I think you may want to approach
> them on this issue. Did they inform you of the reduced service prior to
> the change? Do they have some procedure to re-activate port 25? Are
> they blocking other ports that you are just not aware of yet?
>
>
> Brad
> --
Thanks Brad,
Yes, the ISP informed me that the port 25 is blocked, and recommended me to
use 465 or 587. I can use the email account provided by ISP in Outlook, but
I don't know whether it can be set to the smarthost, because it requires
user authentication when connecting to the smtp server to send emails. But I
prefer to make change to the server being able to send mails itself. I have
also a problem in the MS Windows based web server to send messages using
smtp service (server object) from the ASP web pages. So, I think I have to
make this RH email server to be able to send email, so that it can be used
by other Outlook users and web servers.
thanks for any idea.
Andrew
> "Laughter is good medicine and it has no bad side effects."
> Unknown
> Bradley W. Olin
> http://www.bwo1.com
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