That doesn't work on my system but both my first answer and this do:
warn "DSN not supported!" unless defined $smtpc->command('supports','DSN');

Go figure.

I'm glad that you got it working.

In reply to Re: Re: Finding supported ESMTP Extensions with Net::SMTP by Mr. Muskrat
in thread Finding supported ESMTP Extensions with Net::SMTP by dub4u

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