[BNM] Email question

[Alastair James]

>That's a reasonable way of doing it. I would also recommend that your
>mailserver accepts noreply at iwanttogohere.com so servers doing sender
>callout verification don't complain, but obviously you don't need to
>read it.

Now thats an interesting point...

I am (will be) using google apps for your domain to manage incoming
mail. The noreply stuff will be routed to a mailbox on there, but it
will be a different IP address than the origin of the message. Thats
ok right?

Al

2008/5/1 David Pashley <david at davidpashley.com>:
> On May 01, 2008 at 14:38, Alastair James praised the llamas by saying:
>
> > Thanks guys.
>  >
>  > It just re-enforced in my mind that email is bloody complex.
>  >
>  > I think I have decided to send from a 'noreply at iwanttogohere.com'
>  > email address and use a reply-to header to give the sender's address.
>  > In my mind thats the most correct (and safe way).
>
>  That's a reasonable way of doing it. I would also recommend that your
>  mailserver accepts noreply at iwanttogohere.com so servers doing sender
>  callout verification don't complain, but obviously you don't need to
>  read it.
>
>
> >
>  > Thanks for the help.
>  >
>  > Al
>  >
>  > 2008/4/29 David Pashley <david at davidpashley.com>:
>  > > On Apr 29, 2008 at 10:24, Alastair James praised the llamas by saying:
>  > >
>  > > > Hi there...
>  > >  >
>  > >  > I am building a 'forward this to a friend' feature. I.e. you click
>  > >  > 'send to a friend' and it asks for your and their email address and a
>  > >  > message. We then send the people a message containing a link to the
>  > >  > content you wanted to send and your message.
>  > >  >
>  > >  > I could set the from field of the email as the person who sent the
>  > >  > message, however we are sending it from our own server. I.e. if you
>  > >  > are bob.jones at gmail.com we would be sending a email from
>  > >  > bob.jones at gmail.com from our own domain. This would be great as people
>  > >  > could hit reply and away they go. However, i guess this is a spam
>  > >  > filter issue? I.e. a message from a sender from another domain than
>  > >  > where the email came from?
>  > >  >
>  > >  > The other option is to have all mails from "noreply at domain.com" and
>  > >  > have a message saying "please do not reply to this message".
>  > >  >
>  > >  > Whats the best option?
>  > >  >
>  > >  There is nothing to stop you using the user's email address as the
>  > >  sending address in the From header. I would recommend using an address
>  > >  from your domain in the SMTP sender option, so that you get bounces.
>  > >
>  > >  Mail servers that do caller sendout verification (pretending to send a
>  > >  mail to the sender to check for address validation) do this using the
>  > >  SMTP sender, not the email From address. As for checking that the email
>  > >  came from a valid server for the domain, again this normally applies to
>  > >  the SMTP sender, not the From header. The usual method is a system
>  > >  called SPF, which isn't very well deployed and assuming the clue of the
>  > >  admin of the reciever's mail server won't be used as the only check to
>  > >  verify an email's spaminess or not.
>  > >
>  > >  In summary, you shouldn't see a huge problem using the user's email
>  > >  address in the From subject. The choice about using their address in the
>  > >  SMTP envelope is up to you.
>  > >
>  > >  --
>  > >  David Pashley
>  > >  david at davidpashley.com
>  > >  Nihil curo de ista tua stulta superstitione.
>  > >
>  > >
>  > >
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>
>  --
>  David Pashley
>  david at davidpashley.com
>  Nihil curo de ista tua stulta superstitione.
>  --
>
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-- 
Dr Alastair James
CTO James Publishing Ltd.

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