Re: sendmail redirecting mail to aol.com/rr.com/isps blocking dynamicip's

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On Tue, 24 Jun 2003, Mike Burger wrote:

> On Tue, 24 Jun 2003, Joe wrote:
> 
> > Satish Balay wrote:
> > 
> > >How would you do this for an authenticated SMTP server (aka SSL)?  I'm
> > >also interested in this info - as I use postfix locally for my
> > >outgoing mail.
> > >
> > hmm I've never experimented with this - all the
> > mail servers I've worked with are open for public
> > connections....
> 
> SSL and authenticated SMTP are mutually exclusive.  SSL can be used for 
> connections between client and server, or between servers.  Currently, 
> authenticated SMTP is limited to connections between client and server.
> 
> I am using both, currently.  In my /etc/postfix/main.cf, for TLS (SSL) 
> connections, I have the following:
> 
> # TLS
> smtpd_tls_cert_file = /etc/postfix/burgers.pem
> smtpd_tls_key_file = /etc/postfix/privkey.pem
> smtpd_tls_loglevel = 1
> smtpd_use_tls = yes
> smtp_use_tls = yes
> smtpd_tls_cipherlist = DEFAULT
> smtp_tls_note_starttls_offer = yes
> smtp_starttls_timeout = 300s
> tls_random_source = dev:/dev/urandom
> tls_random_exchange_name = /etc/postfix/prng_exch
> 
> Note that "burgers.pem" and "privkey.pem" are the SSL key and certificate 
> files.  In my case, they're self-signed, but if you really want to be able 
> to make full use of TLS/SSL, you'll probably want to buy an actual secure 
> certificate from an actual secure cert authority...or, if you already have 
> the same files for use with your web server, those same key and cert files 
> should work just fine.

Not sure I follow this one. I'm thinkig of:

when postfix uses a SMTP realy - it should contact the relay with
ssl-smtp,username,passwd. for the specific e-mail destinations.

in pine lingo (modifying the sugested configuration could be)

aol.com           my.isps.mail.server/ssl/novalidate-cert/user=username/passwd=foobar
roadrunner.com    my.isps.mail.server/ssl/novalidate-cert/user=username/passwd=foobar

> Currently, authenticated SMTP is limited to connections between
> client and server.

Looks like - it is not possible to set up what I want in
postfix/sendmail. Here postfix would be the client - and the external
smtp-relay is the server.

I'm not running a mail server. I'm just using a local sendmail (aka
postfix) for all my outgoing mail from pine. I decided to do this - as
I can't specify multiple smtp servers to 'pine'. (home/ work /
somewere in a hotel with network access etc..)

I wonder how mutt users would do this (on their laptops) - as for mutt
- the correct tool to handle outgoing mail is a local sendmail (not
the ISP's smtp relay)

Satish




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