Hello, Anas Mughal wrote: > > What would be the easiest and more effective way to > check for bouncing email addresses?
Setting the return-path address some pop mailbox address and check if that mail box gets any bounced messages. Regards, Manuel Lemos > Thank you. > > --- Manuel Lemos <[EMAIL PROTECTED]> wrote: > > Hello, > > > > B Richards wrote: > > > > > > How many emails per hour can people generate on a > > typical dedicated server? > > > on qmail? on smtp? > > > > It depends on many things. Anyway, queueing is one > > thing and delivering > > is another. Queuing and delivering from the same > > machine is usually slow > > because it requires the server to resolve the domain > > and connecting with > > each recipient MX to deliver the messages. If the > > connection is slow, > > everything is stalled. > > > > For very large recipient lists like large mailing > > lists sites like > > eGroups, the recommended setup is at least one > > server for queuing the > > messages in one or many others. The queuing is best > > achieved using QMQP. > > SMTP is too slow because it degrades queuing speed > > exponentially with > > the number of recipients. > > > > Anyway in a network with one server for queueing > > (where ezmlm was) and 8 > > servers for delivery, it could queue 10.000 messages > > per minute using > > SMTP. With QMQP it would be much faster queueing > > because it would not > > expand VERP addresses and would only queue one > > message in the delivery > > servers. > > > > The actual delivery it depends a lot on the Internet > > link you have and > > the connectivity with the remote servers. Bouncing > > and hard to connect > > servers make it very slow. That is why it is > > important to prune the > > bouncing addresses from your mailing lists. > > > > ezmlm process is reasonably good handling bounces > > but I would not > > recommend starting a mailing list with a large > > number of subscribers > > without first pruning it because the last retry > > message that is sent to > > all bouncing addresses after 11 days (1.000.000 > > seconds) may choke your > > queuing server because it send out individual > > messages and if there are > > many bouncing addresses that can make your machine > > and network choke > > with very high traffic. > > > > Trust me, I had to put up with the embarrassment of > > choking a newsletter > > server with 1/3 of near 300.000 subscribers of MTV > > Brasil newsletter! > > Can you imagine almost 100.000 subscribers being > > mailed and bouncing at > > the same time. (Gulp!) Living and learning. :-) > > > > > > Regards, > > Manuel Lemos > > > > > > ----- Original Message ----- > > > From: "Manuel Lemos" <[EMAIL PROTECTED]> > > > To: "Ed Lazor" <[EMAIL PROTECTED]> > > > Cc: <[EMAIL PROTECTED]>; > > <[EMAIL PROTECTED]> > > > Sent: Saturday, February 02, 2002 9:09 PM > > > Subject: Re: [PHP] Re: Sending an e-mail to 1,000 > > people > > > > > > > Hello, > > > > > > > > Ed Lazor wrote: > > > > > > > > > > At 06:25 PM 2/2/2002 -0500, Chris Cocuzzo > > wrote: > > > > > >Godamnit. Shut-up about this already for > > godsakes and answer the > > > > > >original question!! > > > > > > > > > > LOL hehe good point Chris. > > > > > > > > Aleluia, somebody sensible! :-) > > > > > > > > > > > > > >"Ben Clumeck" <[EMAIL PROTECTED]> wrote in > > message > > > > > > > I would like to send an e-mail (the same > > e-mail) to 1,000 different > > > > > > > people. I want each persons name to be in > > the "To:" field. Is > > > there a > > > > > > way to > > > > > > > customize it to where it can say Dear____ > > (having a different > > > persons name > > > > > > > corresponding to an e-mail address) so > > that it looks customized. > > > > > > > > > > Ben, how you approach this will depend on how > > you have the data > > > > > stored. Let's assume two things: you have > > the e-mail addresses and > > > names > > > > > in a database and know how to retrieve and > > store them into the variables > > > > > $email and $name. That said, create the body > > of your text: > > > > > > > > > > $body = " > > > > > Dear $name, > > > > > > > > > > Here are recent developments on our web > > site... etc. > > > > > "; > > > > > > > > > > Then use the mail function > > > (http://www.php.net/manual/en/function.mail.php) > > > > > to send the letter to the person like this: > > > > > > > > > > mail($email, "Site update", $body, "From: > > [EMAIL PROTECTED]"); > > > > > > > > > > The next thing you'll probably start wondering > > is how to send fancy > > > e-mail > > > > > instead of those generic text based ones... > > PHPBuilder has an article > > > > > you'll want to check out located here: > > > > > > > > http://www.phpbuilder.com/columns/kartic20000807.php3. > > > > > > > > I do not advice anybody to send personalized > > bulk mail, even less in > > > > PHP. It will take a lot of time to just queue > > the message in the local > > > > relay mail server and since each message has to > > be stored separately in > > > > the mail server queue disk consuming a lot of > > space. > > > > > > > > What I recommend is to just queue a single > > message with all recepients > > > > in Bcc:. This is better done with qmail using > > qmail-inject because you > > > > do not have to actually add Bcc: headers to the > > message, just the > > > > recipients addresses, one per line, and then > > headers and the body of > > > > the message. You may want to try this class for > > composing and sending > > > > MIME messages. It has subclasses for queing with > > PHP mail function, SMTP > > > > server, sendmail and qmail. > > > > > > > > > > > http://phpclasses.upperdesign.com/browse.html/package/9 > > > > > > > > If you can use it, I recommend to use qmail > > because it is much faster > > > > than the other alternatives to queue message to > > be sent to many > > > > recipients and also provides very good means to > > figure exactly which > > > > addresses are bouncing your messages so you can > > process them eventually > > > > unsubscribing the users in question, thanks to > > its VERP capability > > > > (Variable Envelope Return Path). > > http://www.qmail.org/ > > > > > > > > If you want to send messages regularly to the > > same group of users, I > > > > recommend that you use ezmlm-idx because it > > provides very efficient and > > > > secure way to handle subscriptions and messages > > bouncings. > > > > http://www.ezmlm.org/ > > > > > > > > I don't recommend the patches of ezmlm that let > > it be interfaced with > > > > user lists maintained in MySQL or PostgreSQL. I > > doubt that those > > > > databases are faster to query than DJB's cdb > > user list databases. Also, > > > > I don't think that most people want the user to > > be deleted from a > > > > database if it's address is bouncing for too > > long (11 days). > > > > > > > > Anyway, you may want to look into this PHP web > > interface to create and > > > > setup options of ezmlm mailing lists. It also > > comes with a SOAP server > > > > interface that you can use to provide Web > > services to subscribe, > > > > unsubscriber, verify and count users in ezmlm > > mailing lists. > > > > > > > > > > > http://phpclasses.upperdesign.com/browse.html/package/177 > > > > > > > > Regards, > > > > Manuel Lemos > > > > > > > > -- > > > > PHP General Mailing List (http://www.php.net/) > > > > To unsubscribe, visit: > > http://www.php.net/unsub.php > > > > > > > > > _________________________________________________________ > > > Do You Yahoo!? > > > Get your free @yahoo.com address at > > http://mail.yahoo.com > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > ===== > Anas Mughal > [EMAIL PROTECTED] > [EMAIL PROTECTED] > Tel: 973-249-6665 > > __________________________________________________ > Do You Yahoo!? > Great stuff seeking new owners in Yahoo! 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