Le 04/06/2011 13:25, /dev/rob0 a écrit : > On Sat, Jun 04, 2011 at 11:14:42AM +0200, mouss wrote: >> Le 04/06/2011 08:43, Goutam Baul a ecrit : >>> 2) Can you indicate some reliable website to get the dkim-milter >>> package for my RHEL 3.8? >> >> no idea. >> PS. isn't 3.8 way too outdated? > > RHEL, IIUC, has EOL'ed 4.5 or thereabouts.
RHEL 5.x dates back to 2007. OP is almost 4 years too old. the real questions are - is OP's version still supported by RH? I not, he is in trouble - does OP really need RH support? if not, why use RHEL? debian, freebsd, netbsd, ... are free and well maintained. > Postfix has EOL'ed 2.4. > This poster's platform looks like a house of cards. Everybody stop > breathing or it might collapse! now the question is: is his platform owned by miscreants? may be... > >>> 3) Instead of using the mailing list software, for the time being >>> I am planning to use php classes like phpmailer and advice my >>> script to delay for say 5 seconds before sending a mail. Do you >>> foresee any issues in this approach? > > And PHP has had approximately three gazillion security issues in the > period in question, not to mention openssh, httpd, et c. > agreed. php has too many problems. perl, python, java, ... are a better choice. >> it is strongly recommended to use a list manager such as sympa or >> mailman: >> - they have delivery error detection >> - they have "well known" templates and headers >> ... >> >> if you decide to use your own tools, do that at your own risk. be >> aware that there are many opportunities to get things wrong. > > Exactly. The questions being asked indicate that the poster is well > down on the learning curve to begin with. 15K mails on a clean list > are not that much, and since they are shareholders it's evident that > money is involved. > > My recommendation to the OP is to consider outsourcing this. It will > not cost that much, and a reputable email service provider can be > well worth what they charge. > > Conversely to do it inhouse I would recommend tearing it all down and > starting over with a recent and well-supported OS. It might look > cheaper on the short-term bottom line to beg on the Internet for help > in keeping the old install running, but when things go wrong, as they > surely will, the costs will skyrocket in ways not yet imagined.