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since many isp's don't allow residential isp's to send out emails, i want to use my isp's native smtp server (smtp-server.hot.rr.com) to send out emails with sendmail; i don't know where/how to configure this, though....
i know that roadrunner and many other isp's are supposed to block outgoing on port 25, but i want to try nonetheless
hmm, didn't work; i successfully created the .cf file, but afaik, the roadrunner smtp server was not being used; when i try to email people at services like roadrunnner or aol, i get a mailer-daemon notice telling me that their services reject dynamic/residential IP e-mail transactions
web-based mail like yahoo and hotmail work perfectly, though
here is the mail i get when emailing roadrunner accounts:
(edited out: don't want people too many people to see this info just yet; the e-mail you will see if you try to send mail with a residential ip will be pretty distinct)
perhaps i'm looking at the wrong thing... it is the fact that i'm using my own smtp server that is causing problems, right?
Last edited by TheOneAndOnlySM; 06-19-2004 at 05:12 PM.
first, it Was the smtp server that was causing the problem; if you don't use a business-class mail transfer protocol/ip, then many isp's will reject the e-mail
however, instead of using localhost as the transfer program, just use the native isp server by editing you sendmail.cf file (for slackware it is in /etc/mail) and looking for this line:
# "Smart" relay host (may be null)
DS
and append the correct server right next to DS (no spaces); so for roadrunner you can use
# "Smart" relay host (may be null)
DSsmtp-server.hot.rr.com
and it will work! i am sending to aol and roadrunner users with no problems
no authentication required, it seems, since the only people who can access that are the actual roadrunner subscribers
also, in regards to your isp's blocking your ability to do this: usually only if you are a spammer or a big-time p2p user will they block port 25 usage for mail servers
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