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I'm having trouble finding out where to add in this line to /etc/mail/access:

AuthInfo:smtp.sendgrid.net "U:XXX" "P:XXX" "M:PLAIN"

When I run this:

m4 sendmail.mc >sendmail.cf

My error:

 WARNING: feature greetpause before access.db....

I also am modifying sendmail.mc with:

define(`SMART_HOST', `smtp.sendgrid.net')dnl
define(`RELAY_MAILER_ARGS', `TCP $h 587')dnl
define(`ESMTP_MAILER_ARGS', `TCP $h 587')dnl
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Ahh I see I had the define(SMART_HOST) with FEATURE access db in the wrong place! –  chris Sep 9 '12 at 8:10

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