Manuel Lemos wrote:
Hello,
On 02/11/2004 09:13 AM, Paul J. Smith wrote:
At the moment you only seem able to send mail via a specific host
specified in the ini file. I want some resilience so I can send
emails even if the first mail server cannot accept email.
Problem 1
As far as I know mail() returns no result so you cannot tell if your
first attempt to mail something was OK or not.
PHP returns a result yes but that means whether the relay SMTP server
accepted the message for later delivery. It can't tell immediately if
the message could be delivered to the final recepient unless the final
SMTP server is the same.
Still, you need to be aware that some servers are configured to ignore
messages that will never be delivered. Most servers will bounce the
message but often not imediately. Usually the messages go to local queue
before they are attempted to deliver to the final mailbox. This has
been particularly true with servers with anti-virus that can't handle
the flood of infected messages so fast.
The best you can do is to set a return path address so the message gets
bounced soon or later in case there was a problem.
Problem 2
You can't override the relaying server ip in the mail() function.
Not on Windows with normal SMTP servers. On Unix/Linux using sendmail,
the messages are not queued using SMTP. That is too slow and pointless
when the sendmail is installed in the same machine where you are sending
messages from.
Has anyone dealt with this? Any suggestions before I try and botch my
own solution?
I would suggest dumping Windows and use a Unix/Linux solution with
sendmail or compatible program like qmail, postfix, etc...
If you are stuck with Windows, you may want to try this SMTP class that
les you send messages directly to the receipient SMTP server, thus
without relaying in any intermediate SMTP server.
http://www.phpclasses.org/smtpclass
If you do not want to change your scripts much, you may also want to use
this other class that uses the class above to send message via SMTP. It
comes with a wrapper function named smtp_mail() that is compatible with
the mail() function but lets you configure SMTP delivery details like
direct delivery option.
http://www.phpclasses.org/mimemessage
You could also try PEAR's Mail package.
http://pear.php.net/package/Mail
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paperCrane <Justin Patrin>
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