[pfx] Re: Restricted Users Emailing Themselves

2023-06-13 Thread Asai via Postfix-users
On 6/12/2023 4:59 PM, Viktor Dukhovni via Postfix-users wrote: On Mon, Jun 12, 2023 at 04:43:42PM -0700, Asai via Postfix-users wrote: We have a situation where we want certain company groups to only be able to email others in their group. Isn't each user a member of "their group? I've

[pfx] Restricted Users Emailing Themselves

2023-06-12 Thread Asai via Postfix-users
allow users to email themselves without breaking the restrictions. I've been trying (and failing) to work around this, but I've not succeeded yet. Can anyone offer some advice on the best way to make this work? Thanks, Asai ___ Postfix-users mailing

Re: Clients Sending Phantom Email

2021-04-28 Thread Asai
that all legitimate email services, like Outlook.com for example, are going to be using a submission service and not sending directly over port 25, and that blocking port 25 on outgoing connections will not interfere with normal email delivery? -- Asai

Clients Sending Phantom Email

2021-04-28 Thread Asai
is connecting to the server. Can someone advise as to what area of debugging we can turn on? There's a lot of info in debugging, and we can't turn it all on at once, so we could use some specifics. Thanks for your insights here. -- Asai

Re: TLS Settings and Mobile Clients

2020-08-05 Thread Asai
to allow clients you should enable ports submission (587) and submissions (465) in master.cf. Thanks for your reply.  We are already doing that.  The main question is just what will break if we allow TLS only.  Do you have any experience with this? Thank you, Asai

TLS Settings and Mobile Clients

2020-08-03 Thread Asai
operability? Or, does anyone have any better general guidelines for hardening Postfix? Thank you, Asai

Re: Get MUA from Logs?

2020-07-25 Thread Asai
Thank you, Gerald, Ralph, and Paolo, I will try this.

Get MUA from Logs?

2020-07-21 Thread Asai
Greetings, Is it possible to determine the Mail User Agents in use via logging in Postfix and / or Dovecot? Thanks, Asai

Re: Migrating Postfix Server to New IP Block and Reverse DNS Issues

2020-03-30 Thread Asai
se options affect SMTP authentication over port 587? HAproxy does not interfere with SMTP AUTH, it just passes bits. You want to disable nginx SMTP AUTH support so that Postfix will do it. nginx can do SMTP AUTH but that is only good for logging. Excellent, thank you. -- Asai

Re: Migrating Postfix Server to New IP Block and Reverse DNS Issues

2020-03-30 Thread Asai
With Nginx XClient, would it also work to install this on a VM and have it handling incoming SMTP email traffic from the WAN while not affecting LAN SMTP traffic? Do either of these options affect SMTP authentication over port 587? Thank you, Asai

Migrating Postfix Server to New IP Block and Reverse DNS Issues

2020-03-30 Thread Asai
this limitation?  Is reverse DNS lookup essential?  Or is there another way? Thanks, -- Asai

Postfix Dovecot Consultant Availability

2020-02-17 Thread Asai
lists. Please email me directly with replies. -- Asai

Re: Per User Relay to From Old to New Postfix

2019-10-17 Thread Asai
Use a HASH table before implementing this in SQL. /etc/postfix/main.cf: transport_maps = hash:/etc/postfix/transport ..whatever you already have... /etc/postfix/transport: u...@test.comsmtp:[the old machine] # postmap hash:/etc/postfix/transport # postfix reload # postmap

Re: Per User Relay to From Old to New Postfix

2019-10-16 Thread Asai
The following uses two transport maps and no changes in relay_recipient_maps: Assuming that both machines will accept mail for every user@the-domain-in-question: - One transport map on the new machine, that sends mail for non-migrated user@the-domain-in-question to the old machine. - One

Per User Relay to From Old to New Postfix

2019-10-16 Thread Asai
email from the old to the new Postfix server on a per user basis, if so, what are some good options? Thank you, Asai

Installing LetsEncrypt For Postfix and Dovecot

2018-11-27 Thread Asai
3.36.0-1.el6base 72 k Asai

iOS Mail Client Not Copying to Sent Folder

2018-08-20 Thread Asai
Greetings, We have many iOS clients, andomain.net some report that they’re having problems with iOS mail copying messages to their Sent folder. This happens 2 - 3 times per day, and the phone just says Sending and the client never knows if it sends. Client says apparently email DOES go out,

Re: Duplicate email troubleshooting

2018-01-30 Thread Asai
> On Jan 30, 2018, at 9:21 AM, Matus UHLAR - fantomas <uh...@fantomas.sk> wrote: > > On 30.01.18 08:55, Asai wrote: >> I'm running into an issue with a mailbox that also has aliases assigned to >> it. > > please avoid HTML mail. >> e.g. u...@d

Duplicate email troubleshooting

2018-01-30 Thread Asai
al_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf virtual_minimum_uid = 1001 virtual_transport = dovecot virtual_uid_maps = static:1001 -- -- Asai Network and Systems Administrator GLOBAL CHANGE MEDIA http://globalchange.media <http://globalchange.media/> Tucson, AZ

iOS Connection Problems

2017-11-07 Thread Asai
has been very difficult to figure out, but before I dive head first into debugging, I’m wondering if there have been any known issues with iOS that have been addressed in later versions of Postfix? Asai

Re: Spam Blocking Advice

2014-12-26 Thread Asai
.[18;19;20]*-2 list.dnswl.org=127.0.[0..255].0*-2 list.dnswl.org=127.0.[0..255].1*-3 list.dnswl.org=127.0.[0..255].2*-4 list.dnswl.org=127.0.[0..255].3*-5 Am 25.12.2014 um 23:24 schrieb Asai: We have a real spam problem for some users, and this seems to be really tough spam to block. I have

Spam Blocking Advice

2014-12-25 Thread Asai
cbl.abuseat.org, reject_rhsbl_sender dbl.spamhaus.org, reject_rhsbl_sender rhsbl.sorbs.net, permit I would be grateful for any advice here and if anyone could share their experience. Thanks! -- --asai

Restricting Intra-Office Receiving

2014-06-25 Thread Asai
/mysql_restricted_recipients.cf Can someone point me in the right direction? Thanks. -- --Asai

Re: Restricting Intra-Office Receiving

2014-06-25 Thread Asai
to smtpd_relay_restrictions, and it seems to work. Does anyone see a problem with this? --Asai On 6/25/14 8:51 AM, Asai wrote: Greetings, I've worked out how to restrict intra-office sending from a user to a user, but I'm a bit stumped on how to restrict intra-office receiving; restricting from who

Re: Investigating iPhone Compatibility

2013-06-17 Thread Asai
On 6/8/13 9:09 AM, DTNX Postmaster wrote: On Jun 8, 2013, at 17:16, Asai a...@globalchangemusic.org wrote: On 6/7/2013 4:26 PM, DTNX Postmaster wrote: The Mail.app applications on iOS (iPhones or iPads) or OS X will attempt to autodetect the port to connect to; 25, 465, and 587. It works just

Re: Investigating iPhone Compatibility

2013-06-17 Thread Asai
On 6/17/13 1:13 PM, Wietse Venema wrote: Asai: After investigating this issue further, it looks like there might be something I'm missing regarding postscreen. My reasoning for this is yesterday a client said she couldn't send email. I looked at her phone and the postfix logs and could see

Re: Investigating iPhone Compatibility

2013-06-17 Thread Asai
On 6/17/13 1:13 PM, Wietse Venema wrote: Asai: After investigating this issue further, it looks like there might be something I'm missing regarding postscreen. My reasoning for this is yesterday a client said she couldn't send email. I looked at her phone and the postfix logs and could see

Re: Investigating iPhone Compatibility

2013-06-17 Thread Asai
Asai: After investigating this issue further, it looks like there might be something I'm missing regarding postscreen. My reasoning for this is yesterday a client said she couldn't send email. I looked at her phone and the postfix logs and could see that her IP address was being rejected

Re: Investigating iPhone Compatibility

2013-06-17 Thread Asai
On 06/18/2013 12:15 AM, Asai wrote: Would it follow then that I should remove the smtp_sasl_mechanism_filter from main.cf? Would that be causing clients to try to connect via port 25 even though they're set to connect to 587? ...what makes you think these things are related in any way

Re: Investigating iPhone Compatibility

2013-06-17 Thread Asai
Asai: After investigating this issue further, it looks like there might be something I'm missing regarding postscreen. My reasoning for this is yesterday a client said she couldn't send email. I looked at her phone and the postfix logs and could see that her IP address was being rejected

Re: Investigating iPhone Compatibility

2013-06-17 Thread Asai
So, it's the iPhone which is self-assertively trying to connect to port 25 regardless of what it's explicitly set to? Works fine for me. I very much doubt your iPhone in question is actually set to use 587 only. IIRC, that is not the default. -- Larry Stone Sent from my iPhone OK, so

Re: Investigating iPhone Compatibility

2013-06-08 Thread Asai
On 6/7/2013 4:26 PM, DTNX Postmaster wrote: On Jun 8, 2013, at 00:47, Noel Jones njo...@megan.vbhcs.org wrote: On 6/7/2013 3:28 PM, Asai wrote: Greetings, We're starting to incorporate iPhone users into our email system. Sometimes we seem to be having trouble with mail being delayed

Investigating iPhone Compatibility

2013-06-07 Thread Asai
virtual_minimum_uid = 1001 virtual_transport = dovecot virtual_uid_maps = static:1001 -- --Asai

Re: iPad Connection Problems

2012-09-11 Thread Asai
Asai: Greetings, Trying to send email from an iPad which fails consistently. I'm trying to send via port 587, TLS (self-signed cert, which is installed on iPad). iPad tells me that Password authentication isn't supported. smtpd_sasl_auth_enable = yes smtpd_sasl_exceptions_networks

iPad Connection Problems

2012-09-10 Thread Asai
:08 triata postfix/smtpd[32648]: disconnect from unknown[192.168.50.2] -- Asai

Postscreen, DNSBL, and Windows Phone

2012-08-20 Thread Asai
= mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf virtual_minimum_uid = 1001 virtual_transport = dovecot virtual_uid_maps = static:1001 -- Asai

Re: Postscreen, DNSBL, and Windows Phone

2012-08-20 Thread Asai
* Asai a...@globalchangemusic.org: Greetings, I am having some issues which I don't understand fully, and I'm hoping you can point out to me what I'm doing wrong here. I have a client who's using Windows 7 phone, and she's unable to send mail due to Spamhaus blocking her 'direct-to-mx' IP

Re: Postscreen, DNSBL, and Windows Phone

2012-08-20 Thread Asai
On 8/20/2012 1:49 PM, Reindl Harald wrote: Am 20.08.2012 22:41, schrieb Asai: Thanks, I thought that may be that case, and unfortunately there doesn't seem to be any way in the Windows 7 phone configuration to manually set the port it's connecting to. Although I do have it set to use SSL

Odd Time Stamp Showing Up In Logs

2011-03-02 Thread Asai
time entries are showing up normally, except for this kind of entry. Does anyone have any insight here? -- --asai

Re: Odd Time Stamp Showing Up In Logs

2011-03-02 Thread Asai
On 3/2/2011 3:14 PM, mouss wrote: Le 02/03/2011 21:51, Asai a écrit : Greetings, Every so often in the maillogs I see something like this: Mar 2 20:43:12 triata postfix/smtpd[14482]: disconnect from unknown[127.0.0.1] This was taken from about 10 minutes ago. The odd thing here is the time

Re: Odd Time Stamp Showing Up In Logs

2011-03-02 Thread Asai
On 3/2/2011 2:24 PM, /dev/rob0 wrote: On Wed, Mar 02, 2011 at 01:51:25PM -0700, Asai wrote: Every so often in the maillogs I see something like this: Mar 2 20:43:12 triata postfix/smtpd[14482]: disconnect from unknown[127.0.0.1] This was taken from about 10 minutes ago. The odd thing here

Re: Odd Time Stamp Showing Up In Logs

2011-03-02 Thread Asai
On 3/2/2011 3:43 PM, Victor Duchovni wrote: On Wed, Mar 02, 2011 at 03:37:44PM -0700, Asai wrote: smtpinet n - n - - smtpd 587 inet n - n - - smtpd 127.0.0.1:10025 inet n - y

Re: Web script compromised? (Was: Mail Server Compromised?)

2010-12-26 Thread ASAI
Thanks to everyone for the priceless advice.

Mail Server Compromised?

2010-12-25 Thread ASAI
Greetings, In the logs I have been seeing many attempts made to send messages to gmail which seem like there's spam being sent from my server. In the logs I see this: Dec 24 00:05:11 triata amavis[29729]: (29729-06) Passed CLEAN, apa...@triata.globalchangemultimedia.net -

Re: Connection Refused on Port 25

2010-07-03 Thread Asai
Jeroen Geilman wrote: On 07/03/2010 09:14 PM, Charles Marcus wrote: On 2010-07-02 7:20 PM, Asai wrote: OK. Has anyone successfully been able to work around this issue? The only way is to have the admin for the CISCO PIX disable the stupid smtp fixup garbage on the CISCO box. As far

Re: Connection Refused on Port 25

2010-07-03 Thread Asai
Jeroen Geilman wrote: On 07/03/2010 11:20 PM, Asai wrote: Jeroen Geilman wrote: On 07/03/2010 09:14 PM, Charles Marcus wrote: On 2010-07-02 7:20 PM, Asai wrote: OK. Has anyone successfully been able to work around this issue? The only way is to have the admin for the CISCO PIX disable

Connection Refused on Port 25

2010-07-02 Thread Asai
/postfix/mysql_virtual_domains_maps.cf virtual_mailbox_limit = 0 virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf virtual_minimum_uid = 1001 virtual_transport = dovecot virtual_uid_maps = static:1001 -- asai

Re: Connection Refused on Port 25

2010-07-02 Thread Asai
Eero Volotinen wrote: 2010/7/2 Asai a...@globalchangemusic.org: Greetings, For some reason, which I don't know how to figure out, our emails to this one specific email domain are being refused. Can anyone point me in the right direction? Here's an example of the log: Jul 2 09:33:10

Re: Connection Refused on Port 25

2010-07-02 Thread Asai
Sahil Tandon wrote: On Fri, 2010-07-02 at 13:41:06 -0700, Asai wrote: For some reason, which I don't know how to figure out, our emails to this one specific email domain are being refused. Can anyone point me in the right direction? Here's an example of the log: Jul 2 09:33:40 triata

Re: Connection Refused on Port 25

2010-07-02 Thread Asai
Gary Chambers wrote: Asai, Eero, can you please elaborate on this? I don't follow you. Nice servers with cisco pix smtp fixout enabled. Eero is asserting that the mail server to which you are trying to connect is behind a Cisco PIX/ASA firewall. Those devices have a known bug

Sender Access Restrictions and MySQL Table

2010-03-16 Thread Asai
Greetings, I'm using Postfix with MySQL, and am trying to restrict certain users to send and receive from my network only. I have had marginal success with this using a MySQL query. In the MySQL table, these users have 'local_only' in the smtp_access column, all other users have 'Y' in

SPF Setup

2009-12-22 Thread Asai
Hi, Trying to set up SPF on Postfix, using 2.3. However, I'm not finding libexec/postfix/smtpd-policy.pl anywhere on my server. Can someone point me to where I might be able to find this? -- --asai

Re: SASL MySQL Authentication

2009-12-21 Thread Asai
with the passwords that dovecot uses Ah, OK, I think this clarifies it for me. Thank you! -- --asai

SASL MySQL Authentication

2009-12-20 Thread ASAI
online which clearly outlines this, and the documentation is often over my head. Can anyone here answer this? Thank you. --asai

Re: Postfix denies relays when sending from Eudora

2009-03-27 Thread Asai
Magnus Bäck wrote: On Thursday, March 26, 2009 at 21:48 CET, Asai a...@globalchangemusic.org wrote: From /var/log/maillog, one example of the problem: Mar 26 11:58:18 triata postfix/smtpd[25357]: NOQUEUE: reject: RCPT from unknown[63.229.177.226]: 554 5.7.1 recipi...@domain.com

Postfix denies relays when sending from Eudora

2009-03-26 Thread Asai
Although I dislike Eudora for various reasons, my users want it. So now I'm trying to figure out why one user can send to our local domains, but cannot relay to Gmail. This is not a problem on a client like Thunderbird. Any insights? Thanks. -- asai

Re: Postfix denies relays when sending from Eudora

2009-03-26 Thread Asai
virtual_mailbox_base = /vmail virtual_mailbox_domains = mysql:/etc/postfix/mysql_virtual_domains_maps.cf virtual_mailbox_limit = 0 virtual_mailbox_maps = mysql:/etc/postfix/mysql_virtual_mailbox_maps.cf virtual_minimum_uid = 1001 virtual_uid_maps = static:1001 Wietse Venema wrote: Asai: Although

Re: Postfix denies relays when sending from Eudora

2009-03-26 Thread Asai
LuKreme wrote: On 26-Mar-2009, at 13:57, Asai wrote: My apologies, I hope this is of assistance. LOGS of the eudora user tring to send to gmail. And don't top-post. From /var/log/maillog, one example of the problem: Mar 26 11:58:18 triata postfix/smtpd[25357]: NOQUEUE: reject: RCPT from

Reverse DNS Does Not Resolve

2009-02-03 Thread Asai
Greetings, Recently this error was reported from a user: Your reverse DNS entry does not resolve. (in reply to RCPT TO command)) She was sending from Thunderbird through our SMTP server using an email alias. Can anyone explain why this would happen? -- asai

Expired SSL Cert Won't Go Away

2008-12-06 Thread Asai
Greetings, I had a SSL Certificate which expired on Dec. 3. I made a new cert and pointed main.cf to the new cert, and restarted, but for whatever reason, my Thunderbird keeps wanting to pick up the old cert. Any insights? -- asai

Re: Expired SSL Cert Won't Go Away

2008-12-06 Thread Asai
Found it. It was a Dovecot problem. Asai wrote: Greetings, I had a SSL Certificate which expired on Dec. 3. I made a new cert and pointed main.cf to the new cert, and restarted, but for whatever reason, my Thunderbird keeps wanting to pick up the old cert. Any insights? -- asai

Can Anyone Make Sense of This Log Entry?

2008-10-31 Thread Asai
[80.247.227.180] refused to talk to me: 554 mx4.fr.wmint.net ESMTP not accepting messages I don't know if the two are related. Does anyone have any insight they'd be willing to share? -- asai

Re: Can Anyone Make Sense of This Log Entry?

2008-10-31 Thread Asai
Duane Hill wrote: On Fri, 31 Oct 2008, Asai wrote: Greetings. I've got this log entry over the past few days at the same time I've been getting this really strange spam from worldswidedomainnames.com. This entry is appearing 50 or 60 times per day in the logs: 1 Oct 30 18:59:19 triata

Re: Can Anyone Make Sense of This Log Entry?

2008-10-31 Thread Asai
Charles Marcus wrote: On 10/31/2008 12:37 PM, Charles Marcus wrote: On 10/31/2008, Asai ([EMAIL PROTECTED]) wrote: smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_non_fqdn_sender, reject_unknown_sender_domain, permit I do believe

Re: Can Anyone Make Sense of This Log Entry?

2008-10-31 Thread Asai
Brian Evans - Postfix List wrote: Charles Marcus wrote: On 10/31/2008, Asai ([EMAIL PROTECTED]) wrote: smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_non_fqdn_sender, reject_unknown_sender_domain, permit I do believe this makes you

Re: Can Anyone Make Sense of This Log Entry?

2008-10-31 Thread Asai
John Peach wrote: On Fri, 31 Oct 2008 18:09:37 + (UTC) Duane Hill [EMAIL PROTECTED] wrote: Responding to the original message... On Fri, 31 Oct 2008, Asai wrote: [snip] They may be having issues or you may be on their private blacklist. worldswidedomainnames.com isn't

Re: Can Anyone Make Sense of This Log Entry?

2008-10-31 Thread Asai
Asai [EMAIL PROTECTED] wrote: John Peach wrote: On Fri, 31 Oct 2008 18:09:37 + (UTC) Duane Hill [EMAIL PROTECTED] wrote: Responding to the original message... On Fri, 31 Oct 2008, Asai wrote: [snip] They may be having issues or you may

Unknown SASL Authentication

2008-10-21 Thread Asai
with the reverse DNS there. I checked the IP address and it's in China, so it's definitely not one of our users. Can anyone tell me how to interpret this, and to plug any holes which might be allowing this? -- asai

Re: Unknown SASL Authentication

2008-10-21 Thread Asai
] - [EMAIL PROTECTED], Message-ID: [EMAIL PROTECTED], mail_id: SULYJRvIb9wQ, Hits: -0.479, size: 25777, queued_as: 3299FFD8047, 9828 ms Noel Jones wrote: Asai wrote: Greetings, In the server log files I got back this morning, I see in the records this entry: 1Unknown 1