Re: how to use gmail smtp server for outgoing mail

On 01/18/2011 01:28 AM, Donald Russell wrote:
I have a domain associated with my comcast IP address (I use dyndns.org
<http://dyndns.org>)

I installed sendmail on Fedora 14 and I can receive mail OK, but when I
try to send outgoing mail, gmail.com <http://gmail.com> rejects it with
the following error:

----- Transcript of session follows -----
... while talking to smtp.gmail.com <http://smtp.gmail.com>:
MAIL From:<don@xxxxxxxxxxxxxxxxxxxxx
<mailto:don@xxxxxxxxxxxxxxxxxxxxx>> SIZE=634
<<< 530-5.5.1 Authentication Required. Learn more at
<<< 530 5.5.1 http://mail.google.com/support/bin/answer.py?answer=14257
v19sm7563260wfh.0
554 5.0.0 Service unavailable

I've tried to update /etc/mail/auth/client-info
and run makemap -r has /etc/mail/auth/client-info.db < client-info
/etc/mail/make
service sendmail restart

but not having any success. :-(

Obviously I don't have it configured properly for when sendmail is
acting as a client. :-(

Here are the changes I've made to sendmail.mc <http://sendmail.mc> (and
then cd /etc/mail; make)

#diff sendmail.mc <http://sendmail.mc> sendmail.mc.original
26d25
< dnl # DNR 2011-01-12 Specify gmail, and add 2 lines to use port 587
28,30d26
< define(`SMART_HOST', `smtp.gmail.com <http://smtp.gmail.com>')dnl
< define(`RELAY_MAILER_ARGS',`TCP $h 587')
< define(`ESMTP_MAILER_ARGS',`TCP $h 587')
88,89d83
< dnl # DNR 2011-01-16 Add auth file
< dnl FEATURE(`authinfo',`hash /etc/mail/auth/client-info')dnl
122,124c116
< dnl # DNR 2010-12-29 Accept mail from anywhere, not just local host
< dnl # DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
< DAEMON_OPTIONS(`Port=smtp, Name=MTA')dnl
---
DAEMON_OPTIONS(`Port=smtp,Addr=127.0.0.1, Name=MTA')dnl
157,158c149
< dnl # DNR 2011-01-17 Remove following line as per above recommendation
< dnl FEATURE(`accept_unresolvable_domains')dnl
---
FEATURE(`accept_unresolvable_domains')dnl
169d159
< dnl # DNR 2010-12-29 Masquerade...
171d160
< MASQUERADE_AS(`drussell.dnsalias.com <http://drussell.dnsalias.com>')dnl
175,176c164
< dnl # DNR 2010-12-29 turn on following feature
< FEATURE(masquerade_envelope)dnl
---
dnl FEATURE(masquerade_envelope)dnl
180,181c168
< dnl # DNR 2010-12-29 turn on following feature
< FEATURE(masquerade_entire_domain)dnl
---
dnl FEATURE(masquerade_entire_domain)dnl


Any suggestions?

Donald,
I just went through this exercise with my new ISP. See my thread from
1/12/11 entitled:
Sendmail needs authentication with Smart Host

Joe Zeff pointed me to:

http://www.sendmail.org/m4/smtp_auth.html

It suggested I create /etc/mail/authinfo and put the authentication
information for the remote server in there. Then build the hashed file
using:

makemap hash /etc/mail/authinfo < /etc/mail/authinfo

Don't forget to add a FEATURE for authinfo to your sendmail.mc:

FEATURE(`authinfo', `hash -o /etc/mail/authinfo.db')dnl

(Looks like you were trying to do this with your client-info file....
check the options. Notice I have a -o above and my makemap command
line looks different from what you are trying....)

And from the page listed above, I found a link to:

http://www.jonfullmer.com/smtpauth/

While this second page is more about setting up a server that requires
authentication, it includes a blurb on how to test the authenticating
server. Once I successfully sent a test message (using telnet) directly
to the outgoing server, getting the local configuration right was easy.

Thank you

Good luck.

--
Kevin J. Cummings
kjchome@xxxxxxxxxxx
cummings@xxxxxxxxxxxxxxxxxx
cummings@xxxxxxxxxxxxxxxxxxxxxxx
Registered Linux User #1232 (http://counter.li.org)
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