Hi All,

I am looking for mail notification in postfix. If my postfix server is sending mail to different user in another domain mail server then is it possible to get notification like:

- Whether mail is read by user or not (Without read recipe option)
- Is it on his spam folder?


Likewise i want to pull information about mail. Please suggest if there is any option.


Regards
Sandeep Sharma

Hi there,

no, it's not. Mail servers use SMTP to communicate among each other, and the protocol doesn't allow for that kind of feedback information. At best, you can tell whether the destination mail server has accepted or refused the message.

If it accepted the message, it's likely to assume that it'll make it in the receiver's inbox, but even that's not guaranteed. Many mail servers are set up to accept any message addressed to their domain, regardless of whether the mail user actually exists. If I send mail to donald.duck@example.org (which we assume is a non-existent mailbox), the mail server at example.org might just accept the message because it is formally adressed to a user in its responsibility, and then silently drop the message when it finds no user of that name (and apart from that, there are sometimes things like a catch-all account).
A properly configured mail server should check the recipient while the sender is still talking, and respond with an error status if the recipient doesn't exist.

Under no circumstances, however, will you receive information about the receivers filtering or spam assessment rules.

Without active support on behalf of the receiver, you have no chance.

[X] Doc CPU

Thanks understood.

Actually i want to know how other service providers are managing these information.

Like

http://kb.mailchimp.com/article/when...o-send-emails/
http://www.readnotify.com/readnotify/about.asp


- Number of clicks
- Mail opened by number of users.


Regards
Sandeep Sharma

Hi there,

really? Your follow-up questions don't look like.

I think that's an irrelevant question. I send e-mail to pass on information when I'm producing or processing it. It'll probably be available to the receiver within seconds, though I know that e-mails can sometimes take hours to deliver. Plus, I know that some people check their inbox only once or twice a day or every other day. But I'd never think about when to send my messages.

Tracking e-mails or notifying the sender of its delivery or even its retrieval isn't part of the standard e-mail protocols. Any solution promising to do either of that has to be a proprietary technique beside regular e-mail. MS Exchange in corporate networks is a popular example.

What clicks? The concept of "clicks" is completely alien to e-mail. It's about delivering text messages, though there are extensions to allow transmitting arbitrary files encoded in such a way that they can be considered text, usually base64, at the cost of a 1/3 increase in transfer volume.

I already explained that: Once you delivered the message to the receivers mail server, you've lost all control and trackability of it. Well, apart from trickery like HTML-formatted mails with an included image that is requested live from the internet at the moment the message is to be displayed. But most mail clients block such requests for privacy reasons, and many people even configure their mail clients to display HTML mails as plain-text only.

[X] Doc CPU

You are correct.

Sometimes it is irrelevant to predict the mails whether users are reading mail or not. But statistics are very important to make any improvement.

I found the some information on internet which has not solved my issue but has given understating about mail notifications. There are two types of notification:

DSN: - Delivery status notifications (as you are mentioning below)
MDN: - Message disposition notifications

For more: http://en.wikipedia.org/wiki/Return_receipt

Mail tracking solutions

http://www.streak.com/email-tracking-in-gmail
http://www.mailtracking.com/mailtracking/plugin.asp