Propblem sending email via SMTP

[dallardyce]

I'm trying to use the following code to send e-mails via SMTP, instead of using the mail() function (which works fine, so I can fall back on that).

// open socket
$stream = fsockopen($smtp_server, $port);

// send connection info
fputs($stream, "HELO $domain\r\n");

fputs($stream, "MAIL FROM:<$_POST[sender_email]>\r\n");
fputs($stream, "RCPT TO:<$email>\r\n");

// create headers and message
fputs($stream, "DATA\r\n");
fputs($stream, "From: \"$_POST[sender_forename] $_POST[sender_surname]\" <$_POST[sender_email]>\r\n");
fputs($stream, "To: $email\r\n");
fputs($stream, "Reply-to: <$_POST[sender_email]>\r\n");
fputs($stream, "Return-path: <$_POST[sender_email]>\r\n");
fputs($stream, "Subject: $_POST[subj]\r\n");
fputs($stream, "$msg\r\n");
fputs($stream, ".\r\n");

// close the connection
fputs($stream, "QUIT\r\n");

I know I'm not doing any authorisation, but even if I do insert the necessary lines, it still doesn't work.

Incidentally, it has worked before - once or twice - but since then it doesn't want to. I don't think there's anything wrong with the code - but maybe someone else has had similar behaviour, or can point out where the problem might lay.

Any ideas?

[bubblenut]

Try doing an fread after every fputs to get the reply. If it starts with 250 then it's OK anything else is an error code.
HTH
Bubble

[bubblenut]

Just noticed, shouldn't the email addresses have angle brackets around them?
Bubble

[dallardyce]

I'm getting error 554:

554 SMTP synchronization error

Directly after I get code 220:

220 t8 ESMTP Exim 4.14 Thu, 19 Feb 2004 11:54:39 +0000

Obviously, that closes the connection and is why nothing else is working. Why am I getting error 554, and how can I get around it?

Edit: I fixed the angle-bracket thing. In my case I don't think it matters, but for completeness I included them.