[rt-users] RT email failing

Kevin Falcone falcone at bestpractical.com
Tue Feb 25 16:09:10 EST 2014

On Tue, Feb 25, 2014 at 12:09:54PM -0500, john boris wrote:
>    I checked the mail log on my relay server and here is the error

Unfortunately, this points to some sort of problem with mmdf (which is
a very unusual MTA, so there isn't going to be a lot of expertise on

>    <-(220 [4]chat2.adphila.org ESMTP (23ca9e33fefa09d99f2e46c526eff526))

Since you publish IP addresses for rt3.adphila.org, it isn't the
obvious error.  Unfortunately, you likely need to look farther up the
mail relay chain since it leaves RT via postfix and then it fails when
trying to pass to another adphila.org server.

>    ->(HELO [5]jc.adphila.org)
>    <-(250 [6]chat2.adphila.org Hello [7]jc.adphila.org [], pleased to meet you)
>    ->(MAIL FROM:<[8]www-data at rt3.adphila.org>)
>    <-(250 Sender <[9]www-data at rt3.adphila.org> OK)
>    ->(RCPT TO:<[10]jborissr at gmail.com>)
>    <-(250 Recipient <[11]jborissr at gmail.com> OK)
>    address ok
>    ->(DATA)
>    <-(354 Start mail input; end with <CRLF>.<CRLF>)
>    sending...:... ->(.)
>    <-(451 Internal error)

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