I'm struggling with this problem, too.

I was thinking a workaround might be to use a subdomain for your
MX ... so that you can still use the top-level domain for your
website. For example, use mail.mydomain.com for sending mail, and keep
your CNAME pointed to heroku on mydomain.com. I haven't tried this yet
--- is there any reason why this wouldn't work?

Nate

On Jun 19, 1:54 pm, Erik Pukinskis <[email protected]> wrote:
> Although I guess another solution is just to forward mydomain.com 
> tohttp://www.mydomain.com/.  Not ideal, but it works.
>
> Erik
>
> On Jun 19, 1:48 pm, Erik Pukinskis <[email protected]> wrote:
>
> > Hi Adam,
>
> > This doesn't really address the problem.  I'm trying to 
> > gethttp://sproutrobot.com
> > pointed at heroku, but if add aCNAMEpointing sproutrobot.com at
> > proxy.heroku.com, that means I can't add aMXrecord.  Which means I
> > can't have an email on my domain.
>
> > As people are discussing, maybe there are some DNS services that let
> > you mix CNAMEs andMXrecords, but that's advised against in the SMTP
> > protocol.  And more importantly some mail servers will apparently try
> > to send mail to the server pointed to by theCNAMErecord.  I'm
> > guessing that some of Ron's @thumbfight.com email is going to
> > proxy.heroku.com and getting returned.  
> > Seehttp://blogs.eweek.com/cheap_hack/content/dns/dont_mix_mx_and_cname_r...
>
> > Maybe if proxy.heroku.com at least had aMXrecords for gmail that
> > would help.  Everyone would be locked into gmail, but it's better than
> > nothing.
>
> > Best,
> > Erik
>
> > On May 8, 6:36 pm, Adam Wiggins <[email protected]> wrote:
>
> > > Another fix for this is to alias your domain to point to
> > > proxy.heroku.com instead of heroku.com.  i.e.:
>
> > > $ host mydomain.com
> > > mydomain.com is an alias for proxy.heroku.com.
> > > proxy.heroku.com has address 75.101.145.87
> > > proxy.heroku.com has address 75.101.163.44
>
> > > Although it reads a little less nicely, this avoids having to tinker
> > > withMXrecords, so perhaps we'll make this the official way to set up
> > > custom domains.  What do you guys think?
>
> > > Adam
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