Hi,
During the night, for many hours, we logged several thousand of such
entries(always the same server):
Nov 7 04:04:52 vmail postfix/smtpd[3100]: connect from
mail.videco.com.ar[190.220.14.235]
Nov 7 04:04:52 vmail postfix/smtpd[3197]: connect from
mail.videco.com.ar[190.220.14.235]
Nov
On 7/11/2012 3:46 μμ, Nikolaos Milas wrote:
connectionsexcept only from our gateway serverand requires AUTHfor all
others,do the above log entries depictfailed login
As a side note: sorry for the word jamming in the message; it is due to
a relatively recent Thunderbird bug (those interested m
On 7/11/2012 3:46 μμ, Nikolaos Milas wrote:
Since this server does not accept unauthenticated smtp connections
except only from our gateway server and requires AUTH for all others
Server config:
[root@vmail etc]# postconf -n
alias_database = hash:/etc/postfix/aliases,
hash:/etc/postfix/alias
On Wed, Nov 07, 2012 at 03:46:38PM +0200, Nikolaos Milas wrote:
> During the night, for many hours, we logged several thousand of such
> entries(always the same server):
>
> Nov 7 04:04:52 vmail postfix/smtpd[3100]: connect from
> mail.videco.com.ar[190.220.14.235]
> Nov 7 04:04:55 vmail postfix
Hi Nick
Thank you very much. it worked, i'm able to restrict.
-Ramesh
From: Nikolaos Milas
To: Ramesh
Cc: Postfix users
Sent: Wednesday, 7 November 2012 12:55 PM
Subject: Re: mail alias
On 7/11/2012 8:07 πμ, Ramesh wrote:
> to block mail to alias fr
On 7/11/2012 6:10 μμ, /dev/rob0 wrote:
Is this a submission port (587) or smtp (25)? You should use "-o
syslog_name=postfix/submission" for submission in master.cf, to
distinguish logging of smtp vs. submission.
Thanks for the reply.
I do; this is smtp, not submission.
ISTM that if submissi
On 11/7/2012 10:50 AM, Nikolaos Milas wrote:
> On 7/11/2012 6:10 μμ, /dev/rob0 wrote:
>
>> Is this a submission port (587) or smtp (25)? You should use "-o
>> syslog_name=postfix/submission" for submission in master.cf, to
>> distinguish logging of smtp vs. submission.
>
> Thanks for the reply.
>
On 4/11/2012 8:17 μμ, Wietse Venema wrote:
Or use "reject_unverified_recipient", which uses a cache
of previous decisions so it won't hammer the mailbox server.
A clarification: Does the cache of "reject_unverified_recipient"
decisions include the result of "relay_recipient_maps" lookups?
T
On 7/11/2012 7:47 μμ, Noel Jones wrote:
You can check your log for things like "authentication failed" for a
failed AUTH, or "sasl_username=" when successful.My fail2ban filter
contains:
warning: .*\[\](?::\d+)?: SASL \S+ authentication failed:
Thanks Noel,
I am using:
failregex = (?i):
>> Or use "reject_unverified_recipient", which uses a cache
>> of previous decisions so it won't hammer the mailbox server.
>
> A clarification: Does the cache of "reject_unverified_recipient" decisions
> include the result of "relay_recipient_maps" lookups?
>
> This might be esp. useful in case
Our non-profit organization has been sending out both occasional and
mass-emails for several years without any trouble to our patrons.
(These are opt-in and not spam).
We use SPF text records but do not use DKIM.
Starting last week, the queue started piling up with messages to
yahoo.com. We're get
Nikolaos Milas:
> On 4/11/2012 8:17 ??, Wietse Venema wrote:
>
> > Or use "reject_unverified_recipient", which uses a cache
> > of previous decisions so it won't hammer the mailbox server.
>
> A clarification: Does the cache of "reject_unverified_recipient"
> decisions include the result of "rel
Peter Pauly:
> I suspect that yahoo has internally blacklisted us, but only from that
> one email server on our end. Here's why I think that:
Instead of speculating, why not read the Yahoo postmaster guideline.
http://www.google.com/?q=yahoo+postmaster
Wietse
Folks,
We had to restore a mailing list (mailman) from an old backup. This
means it included hundreds of now-invalid email addresses.
As such, I set up mailmain to remove addresses on the first b0unce, and
set up postfix to b0unce outgoing messages on the first refusal (I thought).
The way I di
On 11/7/2012 2:47 PM, Josh Berkus wrote:
> Folks,
>
> We had to restore a mailing list (mailman) from an old backup. This
> means it included hundreds of now-invalid email addresses.
>
> As such, I set up mailmain to remove addresses on the first b0unce, and
> set up postfix to b0unce outgoing m
> Non-deliverable mail is returned to sender when either the remote
> server gives a 5xx "undeliverable" response, or $max_queue_lifetime
> expires.
>
> Undelivered mail will hang around in the queue if the remote server
> gives a 4xx "retry" response, or the remote server exists but is
> unreach
On 11/07/2012 10:03 PM, Josh Berkus wrote:
Non-deliverable mail is returned to sender when either the remote
server gives a 5xx "undeliverable" response, or $max_queue_lifetime
expires.
Undelivered mail will hang around in the queue if the remote server
gives a 4xx "retry" response, or the remot
On 11/7/12 6:37 PM, Jeroen Geilman wrote:
> On 11/07/2012 10:03 PM, Josh Berkus wrote:
>>> Non-deliverable mail is returned to sender when either the remote
>>> server gives a 5xx "undeliverable" response, or $max_queue_lifetime
>>> expires.
>>>
>>> Undelivered mail will hang around in the queue if
On 11/7/2012 8:47 PM, Josh Berkus wrote:
> On 11/7/12 6:37 PM, Jeroen Geilman wrote:
>> On 11/07/2012 10:03 PM, Josh Berkus wrote:
Non-deliverable mail is returned to sender when either the remote
server gives a 5xx "undeliverable" response, or $max_queue_lifetime
expires.
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