On Mon, Mar 22, 2010 at 07:05:32PM -0400, Wietse Venema wrote: > > My sincerest of thanks for providing both a solution and information about > > OpenBSD semantics of which I was not aware. > > It's no different with Linux, Solaris, and so on. > > The loopback MTU is usually large to improve performance, but that > happens only with programs that take advantage of it, > > I suggest that you inform the developers of the mail sending > application so that they can fix the problem on their end. > Changing the lo0 MTU is not a permanent solution.
Is the MTU<->buffer-size mismatch in the SMTP client or the milter? -- Viktor. P.S. Morgan Stanley is looking for a New York City based, Senior Unix system/email administrator to architect and sustain our perimeter email environment. If you are interested, please drop me a note.