That all depends on who handles sendmail for your service. which host is being blocked here? Your personal host, or your server? If it's your server, forward the email to the server admin. If it's your own, go with Qmail, or other 3rd party.
On Thursday 10 October 2002 02:57 pm, Daniel Goldin wrote: > Please excuse my ignorance. I love Linux but am a perpetual newbie, > non-programmer type. > > My question now is this? Is this my problem or my hosting company's > problem? I use sendmail--redhat 7.3's version, which is supposed to > disallow open relying by default--but a hosting company serves my > mail. Or at least I believe this is how it works. If it's my fault, I > will certainly install qmail. > > Again, help is much appreciated. > > On (10/10/02 12:44), Gary wrote: > > On Thu, Oct 10, 2002 at 10:00:53AM -0700 or thereabouts, Daniel Goldin wrote: > > > I recently discovered that earthlink has been blocking emails from my > > > computer due to third party relay vulnerability. They sent me a long > > > automated email urging me to contact my systems administrator. The > > > last thing I want to be is a vehicle for spam, but I am my own > > > > Part of the responsibility of being an administrator is knowing about > > these things, mail relays, etc... this is fundamental. I also would > > suggest using qmail, or even Postfix, as they, out of the box, do not > > allow relaying at all. One does not need to know anything about > > programming to understand the concepts of mail relaying or protecting > > your system. > > > > One other thing to check, if you run a web server, is to check in your > > CGI directory if you have a formmail CGI. If you do, get rid of it. The > > older versions of this is exploitable and spammers use this to relay mail > > instead of using your MTA. -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED]?subject=unsubscribe https://listman.redhat.com/mailman/listinfo/redhat-list
