Date: Wed, 1 Apr 1998 06:06:36 -0800 (PST) From: "Jonathan M. Bresler" <jmb> To: hamellr@qcsn.com (Rick Hamell) Cc: freebsd-newbies@FreeBSD.ORG Subject: Re: Bouncing Email (fwd) Message-ID: <199804011406.GAA03461@hub.freebsd.org> In-Reply-To: <Pine.WNT.3.95.980331214904.-58285C-100000@greymouser.circle-path.org> from Rick Hamell at "Mar 31, 98 09:49:16 pm"
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Rick Hamell wrote: > > > > Okay, what do you really mean (or what does it mean) by 'bouncing email'. > > What goes on? Anyone know? > > Bouncing E-mail, simplified Process... > > > 1. Sender contacts recpient via normal Internet transfer protocols. > 2. Sender sends E-mail. If E-mail address is invalid, (i.e. user name > spelled wrong) it 'bounces' back as an invalid address. > > Where the problem comes in, is that the way E-mail and the Internet is > setup, E-mail messages are sent repeatedly any where from 4 hours to 5-6 > days. This process itself is very intensive on the mail server. BTW, this grr......in sendmail v.8 (what freebsd uses, as well as many if not most of the internet) you can reconfigure it to be more or less resource intensive. please do not blame either sendmail or its behavior for the configuration that you are running. you are free to set the rate at which you will accept mail set the rate at which you will attempt to deliver mail how long you will wait before bouncing mail from whom you will accept mail for whom you will relay mail and many other options please blame AOL for harboring spammers and others jmb > is also the problem with replying to Spam messages with the remove line, > it bounces back, causing all kinds of havoc, and further slow down at your > ISP. :( It's a big weakness in the system, I've worked for an ISP that was > attacked maliciosly with repeated ftp and mail requests from AOL, it > actually caused our server to become so busy that clients couldn't get > anywhere. On the other hand, y'all have to remeber the Internet was > conceived originally as a means of communication between government and > military computers in case of a Nuclear War, and as such was built from > the ground up with redundancy in mind. > > Rick Hamell > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-newbies" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-newbies" in the body of the message
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