sendmail

A rails application in production should use smtp or sendmail to send mails? SMTP is the protocol that is used by nearly all Internet hosts to send mail. This protocol is spoken by sendmail. Sendmail determines where to send your message and how. Some mail programs (most, today) will connect directly to a mail server and speak SMTP to it. However, the "traditional" method - and arguable the better method - is to let sendmail do it. There are two reasons for this: 1) nearly every program in UNIX that does what sendmail does is designed to be a drop-in replacement (this includes Postfix and Exim

My website sends emails to me with the same subject and they are being grouped into conversations even if I delete old ones (Mail, Gmail). I know I can change the subject to prevent this, but is there a header or something else that can be added to do this without forcing unique subject lines? On the top of my head, there are two methods to avoid threading: set the SMTP header X-Entity-Ref-ID with any value. This is what Google+ notifications do. change the sender email (you can use From: info+randomstring@example.com ). This is what Facebook notifications do. The threading will be made if you

If I want to send mail not via SMTP, but rather via sendmail, is there a library for python that encapsulates this process? Better yet, is there a good library that abstracts the whole 'sendmail -versus- smtp' choice? I'll be running this script on a bunch of unix hosts, only some of which are listening on localhost:25; a few of these are part of embedded systems and can't be set up to accept SMTP. As part of Good Practice, I'd really like to have the library take care of header injection vulnerabilities itself -- so just dumping a string to popen('/usr/bin/sendmail', 'w') is a little closer

I have a default installation of WAMP Server 2.0. I'm trying to send email using this simple script: <?php if (mail('my_email@gmail.com', 'My Title', 'Some Text')) { echo "OK"; } else { echo "Why ??"; } ?> Unfortunately, I get the following warning: Warning: mail() [function.mail]: Failed to connect to mailserver at "localhost" port 25, verify your "SMTP" and "smtp_port" setting in php.ini or use ini_set() in C:\My_Path\send_email.php on line 3 Why ?? What could be the reason for that ? I expected sending email to be a very simple task ... :( To be able to send email you need an outgoing email