Re: memcache:/configfile instead of btree:/pathname

Hello all, Resending Mail. BTW - Does postfix-users have a mail filtering mechanism? I Just Stumbled upon a mail from Wietse Venema Nov 14, 2014, 8:41:10 PM to Matthias Schneider: Quote " > Hello, > > I had a very high I/O load on process tlsmgr because the smtp_scache and > smtpd_scache files

memcache:/configfile instead of btree:/pathname

Hello all, Just Stumbled upon a mail from Wietse Venema Nov 14, 2014, 8:41:10 PM to Matthias Schneider: Quote " > Hello, > > I had a very high I/O load on process tlsmgr because the smtp_scache and > smtpd_scache files are written to often (smtp_scache.db ~70mb) . > > data_directory =

Re: Protect access to submission services

On Fri, 12 Aug 2022 at 19:00, Jaroslaw Rafa wrote: > > Hello, > as my submission services experience a lot of AUTH attacks recently, I want > to temporarily block access to them from IP addresses other than those from > where users are expected to send mail. > > 1) I created a file specifying

Re: Where to place spamhaus tests

On Wed, 3 Aug 2022 at 18:30, Matus UHLAR - fantomas wrote: > > On 03.08.22 10:39, Linkcheck wrote: > >I have recently begun getting blocks from dbl.spamhaus.org for "valid" > >email. I thought a single instance was an aberration but in all I've > >seen half a dozen emails blocked - a large number

Re: inet_interfaces & smtp_bind_address behavior on multiple interfaces

On Tue, 2 Aug 2022 at 00:04, wrote: > > >> No, the gateway is left blank on that interface. The private interfaces > >> are just cabled together via a switch. > > > Then Postfix should not make any attempt to deliver mail using the > > private address since it doesn't have a network route to

Re: inet_interfaces & smtp_bind_address behavior on multiple interfaces

On Mon, 1 Aug 2022 at 23:33, wrote: > > > Hi, > > Does your Private address 192.168.x.x have a default gateway as well? > > Rgds/DP > > No, the gateway is left blank on that interface. The private interfaces are > just cabled together via a switch. > > In systemd: > [ipv4] >

Re: inet_interfaces & smtp_bind_address behavior on multiple interfaces

On Mon, 1 Aug 2022 at 23:07, wrote: > > Just to clarify my understanding: > > On a server with two network interfaces, the first interface has one public > IP, the seconds interface has one private (192.168.x.x) IP. > > inet_interfaces = all > inet_protocols = all >

Re: Postfix SMTP Access Policy Delegation

On Mon, 25 Jul 2022 at 00:41, Wietse Venema wrote: > > Durga Prasad Malyala: > > Hello all, > > I am using https://gitlab.com/openstrike/ratelimit-policyd to do > > ratelimting of high volume senders. The software is good but I want to > > ratelimit/quota sending on

Postfix SMTP Access Policy Delegation

Hello all, I am using https://gitlab.com/openstrike/ratelimit-policyd to do ratelimting of high volume senders. The software is good but I want to ratelimit/quota sending only to external domains whereas mails to same domain need to be unlimited/unrestricted. When receiving the mail the software

Re: sending high senders to hold queue

and then released. Bastian, Thanks for responding. Like I said this is for few persons (who send occasionally) and expect responses of - say a filled in tax form or confirmation that they have submitted. Regards DP On Sat, 9 Jul 2022 at 20:33, Wietse Venema wrote: > > Durga Prasad Malyala: > >

sending high senders to hold queue

Hello team, As part of our outbound anti-spam policy - we implement policyd/rate limiting using smtpd_data_restrictions for senders sending say more than 100 or 200 mails per hour. However now-a-days due to compliance levels - certain people need to genuinely send a burst of mails like 1000 or

Re: Allow Exception postfix Sender address rejected: Domain not found exception

On Fri, 19 Mar 2021 at 00:27, Viktor Dukhovni wrote: > On Thu, Mar 18, 2021 at 11:30:56PM +0530, Durga Prasad Malyala wrote: > > > > If you want usable help, you'll need to be willing to post the actual > > > domain name, not an obfuscated version. > > > > the

Re: Allow Exception postfix Sender address rejected: Domain not found exception

On Thu, 18 Mar 2021 at 23:13, Viktor Dukhovni wrote: > On Thu, Mar 18, 2021 at 10:21:02PM +0530, Durga Prasad Malyala wrote: > > > I am getting the error "Sender address rejected: Domain not found > exception" > > in my mail server. > > Are you sure the wor

Allow Exception postfix Sender address rejected: Domain not found exception

Hello friends, A govt mail sender is relaying mails through one of the servers mail-vi1eur05on2047.outbound.protection.outlook.com or mail-eopbgr1380070.outbound.protection.outlook.com or some similar sounding server - but I am getting the error "Sender address rejected: Domain not found

Re: spam uses my email address as sender in "header from"

Hi You can try implementing dmarc for your domain and use dmarc check while receiving mail. Cheers/DP On Mon, Sep 14, 2020, 16:06 Fourhundred Thecat <400the...@gmx.ch> wrote: > Hello, > > I am receiving spam, where the "header from" is my actual email (ie, the > email that this spam is

Exact difference between postsuper -r ALL & postfix flush

Guys, After few years of postfix i'm bit confused today and unable to think... What is the exact difference between postsuper -r ALL & postfix flush Thanks/DP

Re: Format of ip address in /etc/postfix/access

On Sun, 11 Aug 2019 at 21:21, Durga Prasad Malyala wrote: > > On Sun, 11 Aug 2019 at 20:13, Ralph Seichter wrote: > > > > * Durga Prasad Malyala: > > > > > they are providing a list but it is in the format 089.248.172.085 > > > > You did notice the c

Re: Format of ip address in /etc/postfix/access

On Sun, 11 Aug 2019 at 20:13, Ralph Seichter wrote: > > * Durga Prasad Malyala: > > > they are providing a list but it is in the format 089.248.172.085 > > You did notice the comments "DO NOT USE AS BLOCKLIST" and "Please use > your API instead.

Re: Format of ip address in /etc/postfix/access

gt; other numerical values that exceed octal. I think its inviting trouble for > maintainers of your code. > > > Andrew > > > On 11/8/19 2:59 am, Durga Prasad Malyala wrote: > > I am curious what is the format of IP addresses in /etc/postfix/access. > i.e. will it unders

Format of ip address in /etc/postfix/access

Hi all, Sorry for double posting (if done) as I could not locate my sent mail while sending through my mobile. I am curious what is the format of IP addresses in /etc/postfix/access. i.e. will it understand 006.45.023.230 instead of the common 6.45.23.230 ? Thanks/DP

Re: Duplicate mail servers again

On Tue, Jul 16, 2019, 01:02 Homer Wilson Smith wrote: > > Is there an easy way for postfix receiving incoming mail > on servier1 to simply mail a copy to an identical server2 for a duplicate > spool, or is that ridiculous. > > Purpose is simply to have an emergency incoming spool that

Best practices link for postscreen

Hi Does anyone have best practices link for postscreen implementation. Thank you DP

Re: Greylisting -- current recommendations?

On Sat, Jun 22, 2019, 07:33 Ralph Seichter wrote: > * Rich Wales: > > > I'm wondering if it may be worthwhile for me to enable greylisting in > > some form on my server. > > While postscreen is no silver bullet, it does a fine job for me. I'd > rather see some spammers connect (doesn't mean

Re: Some mails just stay in Queue.

On Wed, Jun 19, 2019, 15:41 Viktor Dukhovni wrote: > On Wed, Jun 19, 2019 at 11:43:13AM +0530, Durga Prasad Malyala wrote: > > > I am seeing a peculiar problem in on of our servers. Some mails in the > > queue stay there forever. of course they are very few just 20 or

Re: Some mails just stay in Queue.

On Wed, Jun 19, 2019, 11:47 Olivier wrote: > Durga Prasad Malyala writes: > > > Hello all, > > I am seeing a peculiar problem in on of our servers. Some mails in the > > queue stay there forever. of course they are very few just 20 or 30 in > > a month. > >

Some mails just stay in Queue.

Hello all, I am seeing a peculiar problem in on of our servers. Some mails in the queue stay there forever. of course they are very few just 20 or 30 in a month. most of them are from MAILER-DAEMON 3291B6063914! 54880 Mon Jun 17 17:32:24 MAILER-DAEMON

Re: secondary MX Server

On Fri, Jun 7, 2019, 08:05 Viktor Dukhovni wrote: > > > On Jun 6, 2019, at 6:48 AM, Günther J. Niederwimmer > wrote: > > > > Now I like to create a secondary postfix for my system. > > > > What are the best to realize, have this two servers in sync? > > > > I have enable postscreen, all I found

Re: Different SSL certificate per virtual domain

On Sun, 2 Jun 2019 at 02:02, Viktor Dukhovni wrote: > > On Sat, Jun 01, 2019 at 06:24:27PM +0530, Durga Prasad Malyala wrote: > > > I've googled but a bit confused. > > I have a server with an IP hosting two different virtual domains. > > Both domains need to have their

Re: Different SSL certificate per virtual domain

Thank you. Let me check and get back to you. Cheers/DP On Sat, Jun 1, 2019, 18:39 Matt Anton wrote: > On 1 Jun 2019, at 14:54, Durga Prasad Malyala wrote: > > > Hello All, > > Hello, > > > I've googled but a bit confused. > > I have a server with an IP host

Different SSL certificate per virtual domain

Hello All, I've googled but a bit confused. I have a server with an IP hosting two different virtual domains. Both domains need to have their individual SSL certificate like mail.domain1.com and mail.domain2.com to download and send the same. Is it possible in Postfix if I have only one public IP

Re: Ris: AWS timeout

No surprises here. Weitse ranks along the alltime greats of Computing. Cheers/DP On Wed, May 15, 2019, 00:51 j...@voipsupport.it wrote: > Frank > > Credit to Weitse who noticed the strange TSval in the pcap. > > It does look like an issue with Checkpoint. Good thing is this is > reproducible.

Re: Forwarding received mail through AWS SES

On Sat, Jan 19, 2019, 23:26 Yasuhiro KIMURA From: Christos Chatzaras > Subject: Re: Forwarding received mail through AWS SES > Date: Sat, 19 Jan 2019 12:35:58 +0200 > > > AWS EC2 IPs may have low reputation to e-mail providers, so is not > recommended to send e-mails using these IPs. > > > >

Re: Assistance to protect from spam flood

Hi, if you implement Mailscanner etc you can assign a higher score based on a header containing 163.com. Maybe that would work. In any case everyone uses either mailscanner or rspamd on top of postfix. You can try one of those As John suggested and its my personal experience also that, If you have

Re: how set postfix server as non-functional

Hi, Advertising a primary mx and blocking port 25 for it under the assumption that spammers won't try the secondary mx is wrong. In fact spammers target secondary mx more than primary mx since it is a fact that everyone spends more time on securing and tuning the primary server. We maintain many

postfix add warning message for all external incoming emails

Hello Friends, I would like to make postfix add a warning message for all external incoming emails - Something like this at the top of each mail. WARNING: This email originated outside of our organization. Do not click any links or open any attachments unless you recognize the sender and know the

Rate Limiting users from different IPs

Hello all, To overcome scam due to compromised accounts,Currently we are using a beautiful software https://github.com/MirLach/ratelimit-policyd However we have a few issues. Generally spammers dont put a lot of peple in cc or bcc. they send individual mails to a lot of users. This software

Re: SASL LOGIN authentication failed

Wonderful words to reflect on.. on a Sunday. You too will get old. And when you do you'll fantasize that when you were young prices where reasonable, politicians were noble, and children respected their elders. Respect your elders. Rgds/DP 9849111010 Sent from my iPhone. Pls excuse brevity and

Re: Gmail discard my emails

Hi, A discard is not visible to us. Pls check the spam folder in Gmail. Rgds/DP 9849111010 Sent from my iPhone. Pls excuse brevity and typos if any. > On 07-May-2018, at 7:06 PM, Bjoern Franke wrote: > > Hi, >> >> 2018-05-07T09:38:23.969642-03:00 schweb

Re: Delays in writing to INBOX

using GFS2 as the file system. Thanks for any help DP On 4 May 2018 at 20:46, Wietse Venema <wie...@porcupine.org> wrote: > Durga Prasad Malyala: >> Thank you for your reply Wietse, >> You are my Yoda Jedi Master and I have greatest regard for you - Sincerely. >> >&

Re: Delays in writing to INBOX

but no-one is volunteering to get involved. This mail is to get responses if anyone has faced similar issues earlier. Since Dovecot is very common and maybe someone can give pointers. Rgds/DP On 4 May 2018 at 16:54, Wietse Venema <wie...@porcupine.org> wrote: > Durga Prasad Malyala: >

Delays in writing to INBOX

Hello all, I am seeing consistent delays in writing to disk (my System redhat 7.2 using GFS2 file system cluster) May 4 10:03:34 mail1 postfix/lmtp[11662]: E4EB75048C19: to=, relay=mail.xyz.com[private/dovecot-lmtp], delay=50, delays=0.02/0/0/50, dsn=2.0.0, status=sent (250 2.0.0

Re: Mails stuck in queue until inflow stops

Hi, We achieved considerable improvement in delivery speed and thereby negligible queues by shifting the mail spool to a faster disk. Rgds/DP Sent from my iPhone. Pls excuse brevity and typos if any. > On 20-Apr-2018, at 8:10 PM, Stephen Satchell wrote: > >> On

Re: problem with sending emails from second IP

Hi, This is an SPF error actually. Pls check your SPF TXT record. Rgds/DP Sent from my iPhone. Pls excuse brevity and typos if any. > On 12-Apr-2018, at 4:44 PM, Poliman - Serwis wrote: > > Of course afteer each changes in settings I did service postfix restart and > it