[Dovecot] Sending email using IMAP

Ken A ka at pacific.net
Fri Nov 3 22:06:56 UTC 2006

Magnus Holmgren wrote:
> On Friday 03 November 2006 19:36, Marc Perkel took the opportunity to say:
>> IMAP requires a password. SMTP it's optional. I think that consumer SMTP
>> should be replaced with not only something that requires a password, but
>> that the user has to log into the account that they are sending email
>> from. SMTP doesn't have to be tied to IMAP accounts. If you have an SMTP
>> account you can spoof anyone. My idea with IMAP sending is to deny the
>> ability of the sender to use a different email address that the one that
>> they are logged into. This is to prevent spam and spoofing.
> You never give up, do you? Every time you propose submission by IMAP many 
> people tell you that there is no fundamental difference between that and 
> authenticated SMTP. 

I remembered another recent neverending thread "The future of email is 
SQL" by the same author. One of these days he'll hit on a million dollar 
idea. This ain't it tho... So please stop wasting Timo's precious time 
with it!
Ken A.

Every ISP in the world, including the large-scale
> spammers who act as ISPs themselves, would have to employ suitable policies 
> to avoid transmitting spoofed email. SMTP will still be used to transmit the 
> mail to its destinations. Real authenticity is achieved using digital 
> signatures, e.g. DKIM, in combination with SPF and your personal trust 
> preferences. For example, GMail allows their users to send mail from any 
> email address they can demonstrate that they own. That's good, that's what 
> yoy want, and it is completely unrelated to IMAP.

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