Sendmail authentication issue or spam?

Alexander Dalloz ad+lists at uni-x.org
Sat Mar 11 15:58:38 UTC 2006


Am Sa, den 11.03.2006 schrieb Gbenga Shobowale um 16:25:

> I just signed up to a new ISP..and I seem to have some issues sending mails
> out via them using my own domain. They seem to have blocked smtp traffic
> hence you have to send all mails via their server. However they require that
> smtp is authenticated, however I have configured sendmail and still I can't
> seem to send a mail out.
> Below are some of my log files and configuration setting...I can't seem to
> get any help from my isp as they seem to only support windows...
> 
>  AuthInfo:mail.cobranet.org "U:root" "I:hello at isp.org" "P:12345678"

Why do you use "U:root"?

$ host -t mx mail.cobranet.org
mail.cobranet.org is an alias for cobranet.org.
cobranet.org mail is handled by 0 cobranet.org.

So I would set in access_db:

AuthInfo:cobranet.org "U:user_authname" "P:password"
"M:mechanism_to_use"

For "U" and "P" use the data you would set in your MUA to send mail
using your ISP's account.

> Mar 8 15:40:16 kiibati sendmail[1553]: k28EeEgU001553: from=<
> gshobowale at nextworksltd.com>, size=1221, class=0, nrcpts=1, msgid=<
> 004201c642df$a33f6960$6500a8c0 at fly1>, proto=ESMTP, daemon=MTA, relay=[
> 192.168.0.101]
> 
> Mar 8 15:40:22 kiibati sendmail[1555]: *STARTTLS=client, relay=isp.org.,
> version=TLSv1/SSLv3, verify=FAIL, cipher=AES256-SHA, bits=256/256*
> 
> Mar 8 15:40:25 kiibati sendmail[1555]: k28EeEgU001553: to=<
> gshobowale at gmail.com>, ctladdr=<gshobowale at nextworksltd.com>
> 
> (501/100), delay=00:00:09, xdelay=00:00:08, mailer=relay, pri=121221, relay=
> isp.org. [11.11.11.113], dsn=5.1.1, *stat=User unknown*

"relay=isp.org. [11.11.11.113]"

Some kind of obfuscation? If yes, it is not helpful in this case. Is
"isp.org" = "cobranet.org"?

Alexander


-- 
Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773
legal statement: http://www.uni-x.org/legal.html
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