[CentOS] sendmail sending out on port 587

Robert Nichols rnicholsNOSPAM at comcast.net
Mon Mar 22 15:29:46 UTC 2010

On 03/21/2010 10:55 PM, Gregory P. Ennis wrote:
> On Sun, 2010-03-21 at 15:55 -0500, Gregory P. Ennis wrote:
> Thank you for your assistance; the best solution seemed to be the use of
> openvpn, or changing to thunderbird instead of evolution.  I never found
> a method to make sendmail send mail out on 587.

Should be a piece of cake.  Here are the relevant lines from my sendmail.mc:

    define(`RELAY_MAILER_ARGS',`TCP $h 587')dnl
    define(`ESMTP_MAILER_ARGS',`TCP $h 587')dnl
    define(`SMART_HOST', `smtp.comcast.net')dnl
    FEATURE(`authinfo',`hash /etc/mail/auth/client-info')dnl

And in /etc/mail/auth/client-info:

    AuthInfo:smtp.comcast.net "U:root" "I:my_user_name" "P:my_passwd"

And in /etc/mail/auth/Makefile:

    client-info.db: client-info
         makemap hash $@ < $<

Bob Nichols     "NOSPAM" is really part of my email address.
                 Do NOT delete it.

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