On Thu, Jun 23, 2011 at 12:52 AM, Wietse Venema <wie...@porcupine.org>wrote:
> Anoop Saldanha: > > On Wed, Jun 22, 2011 at 8:25 PM, Wietse Venema <wie...@porcupine.org> > wrote: > > > > > Anoop Saldanha: > > > > Hi, > > > > > > > > On checking postfix I see that it also accepts just LF as the line > > > > delimiter, instead of a strict CR-LF. Is this okay, since the rfc > says > > > that > > > > it should always be a CR-LF as the line delimiter? > > > > > > If Postfix enforced 100% RFC compliance, then it would not > > > be useful. > > > > > > When I implemented the SMTP server straight from RFC821, I found > > > that Postfix could not talk to lots of legitimate mail software. > > > > > > Over time, a extra code was added to Postfix so that it could talk > > > with legitimate systems, and not all this extra code has an "off" > > > switch. > > > > > > BTW this mailing list is for discussing of new postfix development. > > > Use postfix-users for general questions about Postfix. > > > > * Moving thread to postfix-users from postfix-devel > > > > Right. What are the valid line delimiters allowed by postfix? CR-LF is > > accepted, LF seems to be accepted without the need for a preceding CR, > but > > is CR without a LF a valid line delimiter? It seems postfix's state is > > being messed up on sending a CR without a LF. > > Postfix accepts mail that complies with the RFCs. Not all workarounds > are documented. This means, there is no promise that those workarounds > will always exist. People who use Postfix should rely only on the > behavior that is promised by the documentation. > > Wietse > nevermind. Figured it out. Looks like it is LF that is only checked as delimiter always and anything before that is part of the command, unless CR precedes the LF, in which CR is considered a part of the delimiter as well. -- Anoop Saldanha
