On Monday 13 Jan 2003 2:18 pm, Adolfo Bello wrote: > On Mon, 2003-01-13 at 10:04, Derek Jennings wrote: > > Both Postfix and mailx have a command /usr/bin/sendmail This is to > > provide compatibility with applications that assume sendmail is the > > installed mail system. So you probably have postfix installed. > > > > The reason your mails do not appear in this list is likely because they > > are being rejected because the IP address of the computer sending the > > mail (your computer) does not tally with the host name declared in the > > mail header as the sender. As an anti spam measure many mail servers will > > do a reverse IP lookup to check the host name belongs to the Ip address > > declared. Unless you own a fully qualified domain name you will find some > > mail servers will reject your mails. > > That's exactly my case. So, to avoid this problem, mobile workers > shouldn't use sendmail because most of the time they will be getting > ramdom IP not neccesarily belonging to their domain. Is that right? > > Thanks for you ultrafast response. > > Adolfo
Actually it is the other way round. Running a mail server can help you when you are mobile. If you try to send a mail via your ISPs mail server when you are not connected directly to their network, it will usually not work because the ISPs mail server will reject attempts to relay mails from outside their network (another anti spam measure) However if you have a mail server at home you can configure it to accept mails from your mobile computer no matter where you are (with adequate security such as SMTP over SASL), and then your mails can be forwarded to your ISPs mail server. derek -- ---------------------------------- www.jennings.homelinux.net
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