On Monday 03 January 2011 17:35:51 Wietse Venema wrote: > J. Roeleveld: > > On Monday 03 January 2011 04:12:46 Wietse Venema wrote: > > > Mark Scholten: > > > > Hello, > > > > > > > > Should I look in the source or is there a better location to change > > > > the texts returned by Postfix after the error code for a connecting > > > > MTA? I'd like to give custom messages back for (example) a failed > > > > rDNS check or helo check. I don't want to change the returned number > > > > (421 or 550 if I'm correct), just the message to point them to a > > > > page we own to get information about how to fix the error or request > > > > whitelisting for the check. > > > > > > > > Changing the messages in the source isn't something I'd like to do, > > > > but if that is the location to change it I'll change it there. I > > > > didn't find it in the documentation (but I might have overlooked > > > > something). > > > > > > This is not configurable. > > > > > > Wietse > > > > Just out of curiosity, why is this not configurable? > > Postfix source code is "free" for you, but it actually requires > real human effort by maintainers, and making all the reject response > texts configurable would be a major project.
I'm not familiar with the source code of postfix, which is why I asked. I think if someone really wants this, he/she would need to do most of the work and convince you and your colleagues to add the patches to the code. > > And would a feature request for this be appreciated? > > Instead of making every response configurable, a more practical > solution is to configure ONE response that gets appended to ALL > the SMTP server's reject messages. Effectively, this turns the > one-line reject into a two-line response, one chosen by Postfix > and one chosen by the system adminstrator. > > This can be done in the SMTP output routine. It also means that > > 421 4.4.2 host.example.com Error: timeout exceeded > > becomes: > > 421-4.4.2 host.example.com Error: timeout exceeded > 421 4.4.2 For assistance, contact the helpdesk at 800-555-0101 > > I wonder how many calls you would actually get for that. I'd put a webpage there instead of a number, but not many people actually get to see those codes. I'm not even sure this full text would appear in the result of "mailq" which is the first place I look when I find my emails are not arriving. > That said, the likelihood that someone will actually pay attention > to the gibberish from SMTP server responses is small. It sounds > like something that keeps lawyers happy. Which is not necessarily a good thing :) -- Joost PS. All the best wishes for 2011 to everyone
