@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 <[email protected]> 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 > > -- > ## List details at https://lists.exim.org/mailman/listinfo/exim-users > ## Exim details at http://www.exim.org/ > ## Please use the Wiki with this list - http://wiki.exim.org/ > -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
