Guess Ethereal is WireShark, now. I dug through a dump with WS and didn't
see 421 coming from the server. Not got mind around WireShark filters,
yet.
Yes, that does appear to be the way avast works, by jumping in between.
When I telnet to port 25, avast jumps in and sends the EHLO then hangs up
Joseph Conrad:
> Outlook Express error:
>
> An unknown error has occurred. Account: 'pop.rockymountains.net', Server:
> 'smtp.rockymountains.net', Protocol: SMTP, Server Response: '421 ', Port:
> 587, Secure(SSL): No, Server Error: 421, Error Number: 0x800CCC67
You mentioned that AVAST is playing
Outlook Express error:
An unknown error has occurred. Account: 'pop.rockymountains.net', Server:
'smtp.rockymountains.net', Protocol: SMTP, Server Response: '421 ', Port:
587, Secure(SSL): No, Server Error: 421, Error Number: 0x800CCC67
Says it comes from the server, but I guess that could come f
Joseph Conrad:
> Dec 22 11:15:36 smtp postfix/smtpd[8084]: >
> mcw-office.rockymountains.net[66.36.120.250]: 220 smtp.rockymountains.net
> ESMTP Postfix
> Dec 22 11:15:36 smtp postfix/smtpd[8084]: <
> mcw-office.rockymountains.net[66.36.120.250]: EHLO Kitten
> Dec 22 11:15:36 smtp postfix/smtpd[808
> Better keep the discussion on list. more eyes mean more chances to get
> real help...
>
> Le 22/12/2010 21:02, Joseph Conrad a écrit :
>> [snip]
>>
>>> Try sending with a real MUA (thunderbird, outlook) instead of using
>>> telnet and send the logs as you did for telnet. this is just to make
>>>
On 12/22/2010 12:50 PM, mouss wrote:
The real role of the AV here is to block smtp except to the submission
server. but that's only for "residential" users who don't have a
firewall to do that. even for such users, a host firewall (Comodo is
free) is a better tool at that.
but not sure OP c
Le 22/12/2010 21:31, Evan Platt a écrit :
Have the users disable outbound e-mail scanning.
I mean, if the file is on their hard drive, it's already been scanned
for virii. To scan it again is silly.
The real role of the AV here is to block smtp except to the submission
server. but that's on
Better keep the discussion on list. more eyes mean more chances to get
real help...
Le 22/12/2010 21:02, Joseph Conrad a écrit :
[snip]
Try sending with a real MUA (thunderbird, outlook) instead of using
telnet and send the logs as you did for telnet. this is just to make
sure avast is not de
Have the users disable outbound e-mail scanning.
I mean, if the file is on their hard drive, it's already been scanned
for virii. To scan it again is silly.
On 12/22/2010 12:04 PM, Joseph Conrad wrote:
Sorry, I failed to put postconf -n output in my first post...
Server:
Centos-5.5
postfix-2.3
Le 22/12/2010 19:38, Joseph Conrad a écrit :
Server:
Centos-5.5
postfix-2.3.3-2.1.centos.mysql_pgsql
See server log below.
Client:
MS Windows XP 2002 sp3
avast-5.0.545
behind a NAT router 66.6.120.250
with avast mail scanner on:
C:\telnet smtp 25
421
Connection to host lost
C:\
with avast
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