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Re: [ietf-smtp] How is EAI mail implemented ?

2021-06-16 11:14:54
According to Claus Assmann  <ietf-smtp(_at_)ietf(_dot_)org>:
On Tue, Jun 15, 2021, John R Levine wrote:

Huh.  Why does it set the UTF8 flag on MAIL FROM when sending ASCII messages?

I could look at it if you specify how to reproduce that (without
having to install lots of things for some test suite) -- did you
use the -U flag by chance?

It was locally injected with "sendmail 
-fuser1(_at_)xn--5nq21jyu9d1ta(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s 
atest(_at_)xn--fct(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s"

I thought it might be the -U flag but I checked and that test doesn't set ut.


Jun 16 16:09:06 xn--5nq21jyu9d1ta sendmail[85985]: 15GG96Ga085985: 
Authentication-Warning: localhost.my.domain: eaitest set sender to 
user1(_at_)xn--5nq21jyu9d1ta(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s 
using -f
Jun 16 16:09:06 xn--5nq21jyu9d1ta sendmail[85985]: 15GG96Ga085985: 
from=user1(_at_)xn--5nq21jyu9d1ta(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s,
 size=323, class=0, nrcpts=1, 
msgid=<202106161609(_dot_)15GG96Ga085985(_at_)xn--5nq21jyu9d1ta(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s>,
 relay=eaitest@localhost
Jun 16 16:09:07 xn--5nq21jyu9d1ta sendmail[85985]: STARTTLS=client, 
relay=[127.0.0.1], version=TLSv1.3, verify=FAIL, cipher=TLS_AES_256_GCM_SHA384, 
bits=256/256
Jun 16 16:09:07 xn--5nq21jyu9d1ta sm-mta[85986]: STARTTLS=server, 
relay=localhost [127.0.0.1], version=TLSv1.3, verify=NO, 
cipher=TLS_AES_256_GCM_SHA384, bits=256/256
Jun 16 16:09:07 xn--5nq21jyu9d1ta sm-mta[85986]: 15GG96OH085986: 
from=<user1(_at_)xn--5nq21jyu9d1ta(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s>,
 size=856, class=0, nrcpts=1, 
msgid=<202106161609(_dot_)15GG96Ga085985(_at_)xn--5nq21jyu9d1ta(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s>,
 proto=UTF8SMTPS, daemon=IPv4, relay=localhost [127.0.0.1]
Jun 16 16:09:07 xn--5nq21jyu9d1ta sendmail[85985]: 15GG96Ga085985: 
to=atest(_at_)xn--fct(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s, 
delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=30323, relay=[127.0.0.1] 
[127.0.0.1], dsn=2.0.0, stat=Sent (15GG96OH085986 Message accepted for delivery)
Jun 16 16:09:07 xn--5nq21jyu9d1ta sm-mta[85988]: STARTTLS=client, 
relay=mail1.iecc.com., version=TLSv1.3, verify=FAIL, 
cipher=TLS_AES_256_GCM_SHA384, bits=256/256
Jun 16 16:09:08 xn--5nq21jyu9d1ta sm-mta[85988]: 15GG96OH085986: 
to=<atest(_at_)xn--fct(_dot_)xn--5nqx41au4nqohsp3axcg(_dot_)xn--fiqs8s>, 
delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=30856, relay=mail1.iecc.com. 
[IPv6:2001:470:1f07:1126:33:5370:616d:6d31], dsn=2.6.0, stat=Sent (Accepted 
message qp 24085 bytes 1975)

-- 
Regards,
John Levine, johnl(_at_)taugh(_dot_)com, Primary Perpetrator of "The Internet 
for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

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