[Greylist-users] SMTP server pools
fbax at sympatico.ca
Tue Sep 14 05:14:07 PDT 2004
A) I've had trouble posting (temp failures) for many days now (first try
Sep7). I know that my ISP uses SMTP server pools (Bell Nexxia / Bell
Canada / Sympatico = 209.226.175/24). For this message, I'm using dialup
on a different ISP.
B) I've just gone live with greylisting (OpenBSD 3.5) and the first AOL
email causes problems with SMTP server pool. I got these on one message:
184.108.40.206 -> imo-m14.mx.aol.com.
220.127.116.11 -> imo-d22.mx.aol.com.
18.104.22.168 -> imo-d06.mx.aol.com.
22.214.171.124 -> imr-d01.mx.aol.com.
Not even on the same subnet - has someone got a complete list? The list
from cvs.puremagic.com does not include one of these ip addresses.
C) I contacted a local ISP about their SMTP server pool. Perhaps others
will find this information useful, I suspect a complete list of ip's for
this ISP might be difficult to determine using the typical "black box"
>> 1) Does Sentex use a pool of SMTP servers? If a message experiences
>> temporary failure is it possible a different SMTP server will be used for
>> the retry than was used for first delivery attempt.
>> 2) If (1) is true, what are ip addresses of your SMTP servers, so we can
>> white-list them.
>These are primarily incoming servers, which may act as outgoing under
>/etc/namedb# host smtp.sentex.ca
>smtp.sentex.ca has address 126.96.36.199
>smtp.sentex.ca has address 188.8.131.52
>smtp.sentex.ca has address 184.108.40.206
>smtp.sentex.ca has address 220.127.116.11
>smtp.sentex.ca has address 18.104.22.168
>smtp.sentex.ca has address 22.214.171.124
>smtp.sentex.ca has address 126.96.36.199
>smtp.sentex.ca has address 188.8.131.52
>These are outgoing-only servers:
>/etc/namedb# host smarthost.sentex.ca
>smarthost.sentex.ca has address 184.108.40.206
>smarthost.sentex.ca has address 220.127.116.11
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