Re: Finding why outbound mail is delayed

2017-11-13 Thread Rich Shepard
On Mon, 13 Nov 2017, Viktor Dukhovni wrote: IIRC your original message showed a delayed message addressed to you. I failed to notice that this one was addressed to a different domain... Victor, Yes, one of the delayed messages was the pflogsumm report; it was delivered when I took the new

Re: Finding why outbound mail is delayed

2017-11-13 Thread Simon Matthews
On Mon, Nov 13, 2017 at 10:57 AM, Rich Shepard wrote: > On Mon, 13 Nov 2017, Simon Matthews wrote: > >> I would hazard a guess that your outbound email packets are being dropped >> somewhere. Try using telnet on your mail server to connect to port 25 of >> the remote

Re: Finding why outbound mail is delayed

2017-11-13 Thread Viktor Dukhovni
On Mon, Nov 13, 2017 at 10:54:15AM -0800, Rich Shepard wrote: > Nov 13 06:59:09 salmo postfix/smtpd[19953]: EF1E2991FD: > client=salmo.appl-ecosys.com[192.168.55.1] > Nov 13 06:59:10 salmo postfix/cleanup[19606]: EF1E2991FD: >

Re: Finding why outbound mail is delayed

2017-11-13 Thread Rich Shepard
On Mon, 13 Nov 2017, John Stoffel wrote: Could it be that you mail server is looking up and finding IPv6 addresses, but you don't have IPv6 enabled on your setup? Try forcing postfix to only use IPv4. John, I will check. A new router was installed Friday and these delays showed up starting

Re: Finding why outbound mail is delayed

2017-11-13 Thread Rich Shepard
On Mon, 13 Nov 2017, Viktor Dukhovni wrote: Where should the mail be going? Is the obfuscated host[ip] to which connections are failing the right destination? Victor, They are a mail list. It doesn't really need obfuscation: thales.memphis.edu[141.225.8.55]:25 Your configuration shows:

Re: Finding why outbound mail is delayed

2017-11-13 Thread Viktor Dukhovni
> On Nov 13, 2017, at 1:54 PM, Rich Shepard wrote: > > The only one found in /var/log/maillog has these entries: > > Nov 13 06:59:09 salmo postfix/smtpd[19953]: EF1E2991FD: > client=salmo.appl-ecosys.com[192.168.55.1] > Nov 13 06:59:10 salmo postfix/cleanup[19606]:

Re: Finding why outbound mail is delayed

2017-11-13 Thread John Stoffel
Could it be that you mail server is looking up and finding IPv6 addresses, but you don't have IPv6 enabled on your setup? Try forcing postfix to only use IPv4. John

Re: Finding why outbound mail is delayed

2017-11-13 Thread Rich Shepard
On Mon, 13 Nov 2017, Simon Matthews wrote: I would hazard a guess that your outbound email packets are being dropped somewhere. Try using telnet on your mail server to connect to port 25 of the remote mail server (mail.appl-ecosys.com.) and see what happens. Simon, I can telnet to port 25

Re: Finding why outbound mail is delayed

2017-11-13 Thread Rich Shepard
On Mon, 13 Nov 2017, Viktor Dukhovni wrote: http://www.postfix.org/DEBUG_README.html#mail Victor, I had looked at that page and checked many of the items. Include logs showing the complete history of a delayed message (all log entries with the problem queue-id). The only one found in

Re: Finding why outbound mail is delayed

2017-11-13 Thread Simon Matthews
On Mon, Nov 13, 2017 at 10:02 AM, Rich Shepard wrote: > Running postfix-3.2.4 here on Slackware-14.2. I am a professional services > sole practitioner, not a professional system or network admin. > > After several years having outbound mail forwarded through my ISP's

Re: Finding why outbound mail is delayed

2017-11-13 Thread Viktor Dukhovni
> On Nov 13, 2017, at 1:02 PM, Rich Shepard wrote: > > Since the end of last week I find many messages delayed 1-2 days; several > hundred are listed in logwatch's daily report. These delayed messages > include may body_check rejections. However, since Friday

Finding why outbound mail is delayed

2017-11-13 Thread Rich Shepard
Running postfix-3.2.4 here on Slackware-14.2. I am a professional services sole practitioner, not a professional system or network admin. After several years having outbound mail forwarded through my ISP's mail server I changed ISPs and now have a static IP address. The other recent change