@Cyborg: Running TCPDump now. Yahoo Groups take a long time to accept
messages.
@Evgeniy: Good idea! I'll try that, I had not thought of it.
On Fri, Mar 24, 2017 at 9:46 AM, Evgeniy Berdnikov <bd4@???> wrote:
> On Fri, Mar 24, 2017 at 12:30:12AM -0700, Jay Gairson via Exim-users wrote:
> > 3) Send a test message via Exim via a telnet session to a Yahoo Group.
> It
> > works without issue, which seems to imply that the email client is at
> fault.
> >
> > 4) Send a test message from a Desktop or phone email client to a Yahoo
> > Group. The message is blocked and cited to be malware. Refine test by
> > trying a different computer, different email address, and a different
> Yahoo
> > Group, but same client -- message is blocked as malware. Refine test by
> > trying a different computer, different OS, different email address,
> > different Yahoo Group, and different email client -- message is blocked
> as
> > malware. This seems to imply that it is exim at fault, but it is not
> clear
> > how.
>
> Probably Yahoo rejects messages due to the presence of some headers, or
> look for their contents. Make a list of headers from rejected mail, then
> run SMTP session via telnet and insert some headers manually, starting
> with X-Mailer, X-User-Agent.
> --
> Eugene Berdnikov
>
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