Wietse Venema:
> Griff:
> > I have Postfix currently running as an outbound relay for a Microsoft
> > Exchange system. It's working beautifully, but we are having issues
> > with bounce messages:
> >
> > It appears bounce messages are trucated to <80 chars (more like 75
> > according to the tcpdump).
>
> Postfix produces the following form:
>
> Diagnostic-Code: X-Postfix; Host or domain name not found, Name service error
> for name=fakemadeupdomain.com type=AAAA: host not found
>
> Your example shows a line break in the middle of 'error', and other
> text that is converted into quoted-printable.
>
> Diagnostic-Code: X-Postfix; Host or domain name not found, Name service e=
> rror
> for name=3Dfakemadeupdomain.com type=3DAAAA: host not found
>
> POSTFIX DID NOT CONVERT THIS TEXT TO QUOTED-PRINTABLE
Except that the Postfix SMTP client convert text and will break
lines in precisely this manner when sending mail to a receiver that
does not announce 8BITMIME support in SMTP.
To avoid:
main.cf:
disable_mime_output_conversion = yes
Or, fix the SMTP receiver that does not announce 8BITMIME support.
Wietse
