On 15-02-12 10:15 AM, Steve Atkins wrote:
AOL and Yahoo have published policies that they do not allow anyone to use
email addresses at their domains from anywhere but their mailservers. If you're
sending mail with aol.com or yahoo.com email addresses in the From: field
you'll see errors just like the ones you're seeing.
The misuse of DMARC by those two ISPs means that you cannot run a functional
discussion mailing list if you have any subscribers at any of those domains.
Not just them, but many ISP's adopt that policy as well now.. If SMTP
AUTH is not used, or the relay client is not set..
MAIL FROM: j...@localdomain.com
553 Please check your email settings for SMTP Authentication or contact
your ISP for assistance (#5.7.1
And this is rightfully so, if AOL is responsible for the email, no-one
else should be acting as the MTA for that domain.
That is what 'reply-to' is for..
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