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My email logs are filling up with bounced emails being sent from my domain with a From header formatted like so:

What is causing this?

Full log entry:

Mar 13 14:05:09 ip-10-122-201-212 postfix/smtp[26788]: 4D21881CA8: to=<>,[]:25, delay=0.12, delays=0.01/0/0.11/0, dsn=5.0.0, status=bounced (host[] said: 501 Invalid MAIL FROM address provided (in reply to MAIL FROM command))
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Your application is causing the problem. – Michael Hampton Mar 13 '14 at 15:19
up vote 5 down vote accepted
Invalid MAIL FROM address provided (in reply to MAIL FROM command)

When sending via SES, you need to set your From: header to one of the "verified" email addresses you configured when setting up SES for your AWS account.

You're setting your From: address to, which is an invalid email address. You need to set this to a valid email address that you've verifed through the SES console (or API).

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