Amazon Linux AMI: How to replace sendmail with postifx?

Question

Apologies in advance for my nub question.

Been using the Amazon EC2 Linux AMI and enjoying it.

It comes configured with sendmail. I think I'd rather use postfix.

I hoped replacing sendmail with postfix might be as simple as what I found searching online:

$ rpm -e sendmail
$ yum install postfix.

However rpm complains:

$ rpm -e sendmail
error: Failed dependencies:
        smtpdaemon is needed by (installed) mdadm-2.6.9-3.7.amzn1.i386

I'd be grateful for any guidance how to proceed.

Thank you.

Ignacio Vazquez-Abrams · Answer 1 · 2011-03-09 02:43:37Z

up vote 0 down vote accepted

Install postfix first, then remove sendmail. Or use yum shell to do both at once.

answered Mar 9 '11 at 2:43

Or rpm -e --nodeps sendmail. – grawity Mar 9 '11 at 9:45

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