Re: what does this "sender invalid" error mean?

[Michael Elkins]

On Mon, Aug 02, 2010 at 09:38:01PM +0100, Chris G wrote:

I'm trying to b[ounce] a message and I'm getting the following error
on the mutt status line:-

    SMTP session failed: 550 Sender <chris@> invalid

So what is it saying?  Obviously "Chris@" id invalid but how is mutt
creating it and what is missing such that mutt can't create a valid
address?

        set from=u...@example.com
        set hostname=example.com

me

It looks like Mutt is not able to automatically determine the FQDN for your host by inspecting /etc/resolv.conf. The easiest solution is to manually set your $from or $hostname:

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