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Les Mikesell wrote: | On Tue, 2004-08-10 at 09:12, Dave Williss wrote: | | |>You mean like an employee on the road using a hotel's ISP or at a |>wireless hotspot connecting back to your mail server to send mail |>as from your company? _Make_ them use authentication. | | | Put a price tag on that. If you are selling a product, how many | dollars worth of orders are you willing to discard because the | potential customer sent a request for information through a | public access point instead of their own ISP? Discarding their | mail is the only way you can _make_ someone else do things | your way. Is it worth it, when what really matters is the | individual authentication and/or the message content? I just | don't see much value in some untrusted third party's claim | of authentication. | Excellent point. Unfortunately for your intended point it cuts both ways.
In the case of an SPF reject the potential client gets an immediate notification that something is wrong, and can take corrective action if they are that interested. Since their company must be publishing a strict SPF record for this scenario to occur they just may appreciate your respecting their policy and call you instead.
Say your potential client sends the same e-mail from the same location and your spam filter sidelines it because it triggered a couple minor SA rules and was from a blackholed IP range.
Now your potential client thinks the mail went through, you know nothing about it, and the business opportunity may well pass permanently because the potential client thinks you just aren't interested in the business. They are almost definitely offended by the non-response.
Which scenario works better for you?
- -- Daniel Taylor VP Operations Vocal Laboratories, Inc. [EMAIL PROTECTED] http://www.vocalabs.com/ (952)941-6580x203 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) Comment: Using GnuPG with Debian - http://enigmail.mozdev.org
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