sendmail & Verizon

Kevin Cummings cummings at
Wed Mar 6 08:19:32 UTC 2013

Awesome!  The stunnel trick works!

1) I set up /etc/stunnel/stunnel.conf as in the Fedora Wiki example (I used port 25025).

2) I then ran "stunnel" from root.
    [I'll have to put that in rc.local before I reboot.]

3) In, I used:
define(`SMART_HOST', `relay:[localhost]')
define(`RELAY_MAILER', `smtps')
define(`RELAY_MAILER_ARGS', 'tcp $h 25025')

4) Changed my /etc/mail/authinfo file to remove the hostname after AuthInfo:

5) ran make in /etc/mail
   (this should remake both authinfo.db and

6) restarted sendmail

And my first test email got delivered to my ISP address!

Thanks to all for the info.

Kevin J. Cummings
kjchome at
cummings at
cummings at
Registered Linux User #1232

On Mar 5, 2013, at 23:22, "Kevin J. Cummings" <cummings at> wrote:

> On 03/05/2013 05:45 PM, Robert Nichols wrote:
>> The simple answer is that sendmail can't do that by itself as it has no
>> support for client-side SSL. You need to use a program such as _stunnel_
>> to provide the encryption wrapper. Here is a fedoraproject wiki posting
>> that describes the basics:
> Yeah, I read that.  It looks like a start.  I already have stunnel
> installed (for what I can't remember, I thought it was my IPv6 tunnel,
> but I'm no longer sure), and I have no stunnel process running atm.
>> That's basically what I had running back in 2007 when Comcast didn't
>> allow global access to port 587. I'd post the whole setup that I used,
>> but my old sysVinit script for starting an stunnel service wouldn't be
>> worth much these days
> Try me, my mail server is still running F14....
> -- 
> Kevin J. Cummings
> kjchome at
> cummings at
> cummings at
> Registered Linux User #1232 (
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