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a n00b question from a developer, not an server admin. I'm learning - built out a linode box and have included Wordpress multisite. I have Google Apps (free) setup to handle incoming. WP sends emails via Postfix on my box. I have SPF setup so these get an SPF 'pass'. My question - can i get Google Apps dkim (its in my DNS settings) to work on my server-postfix-outgoing mails?

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Yes you can. Go on and implement it. – mailq Sep 25 '12 at 21:45
up vote 0 down vote accepted

I would recommend you ssmtp as MTA agent with Google Apps. Simple yet powerful. This is how.

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It's generally considered bad form to post a short answer and a link. I'd suggest posting a description of how the SSMTP agent works with Google Apps and how to make it happen and THEN post the link. – Magellan Sep 22 '12 at 15:54
That looks great (and ez). Ubuntu uses postfix by default (i think). The last line on the debian page (your link) says "Now just tell your MUA to run /usr/sbin/ssmtp for outgoing mails" -- can you give guidance on this piece? – stickhandle Sep 22 '12 at 16:01

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