The mailing list for listmasters using Sympa

[Stephane Ascoet <address@concealed>]

Le 20/01/2017 14:51, eminmn a écrit :
> Thanks, Steve and Stephane. I have been study some of email headers
> lately and am confused by the great variety of tags (cc: user-agent:
> etc.) that seem to be present or absent without rhyme or reason. Do
> different mail clients show different information by default?

Yes if you use an option like "display mail headers", no if you look in 
the source of the mail.

--
Sincerely, Stephane Ascoet