Hi,
Postgrey is common part of MTAs (pre OpenDMARC and OpenDKIM). It's sort of anti-spam when unknown senders are blocked for predefined amount of time. Some MTA on the other side can't react properly e.g. scale delivery retries and tries to send it many times during the blocking period. On the other hand, postgrey would remember / whitelist you for another time period thus if you contribute often enough you should not see this delay. e.g. Jan 3 02:22:45 irix postgrey[866950]: action=greylist, reason=new, client_ name=ns3157888.ip-51-83-237.eu, client_address=51.83.237.26/32, sender=test@ copy24serwis.pl, recipient=kava...@irix.cz Jan 3 02:22:45 irix postfix/smtpd[2398965]: NOQUEUE: reject: RCPT from ns 3157888.ip-51-83-237.eu[51.83.237.26]: 450 4.2.0 <kava...@irix.cz>: Recipient address rejected: Greylisted, see http://postgrey.schweikert.ch/ help/irix.cz.html; from=<t...@copy24serwis.pl> to=<kava...@irix.cz> proto= ESMTP helo=<s32.creative-it.pl> https://postgrey.schweikert.ch -- Best regards Petr Bartel ---------- Původní e-mail ---------- Od: Bernhard <darkta...@intervalsignals.org> Komu: darktable-user <darktable-user@lists.darktable.org> Datum: 3. 1. 2021 14:13:42 Předmět: Re: [darktable-user] why is this mailing list so slow? " Remco Viëtor schrieb am 03.01.21 um 11:11: > On dimanche 3 janvier 2021 10:14:35 CET Bernhard wrote: >> Hi, >> >> I find messages to this mailing list sometimes beeing delayed up to 1h >> (most of the cases up to 1/2h) when sending them compared to what I see >> in my inbox. >> Does anyone have a clou about this? > Usually email clients don't check constantly either (mine is set to check for > new mail every hour or so). Then there can be network problems requiring mail > to be resent, or servers that send mail in batches (your mail isn't the only > one pasing through a given server, and mailing lists have to resend to tens/ > hundreds/thousands of recipients). I have set my thunderbird to check manually only as I don't like "unauthorized" traffic to the internet. But for this examination I set this option to "check every 5 Minutes" and could verify significant delays. After some research I found an option within thunderbird to show "extended headers" and there I found: > delayed 1198 seconds by postgrey-1.34 at dreggn.org; Sun, 03 Jan 2021 > 10:34:35 CET for this mail I sent at 10:14 CET. dreggn.org is a server operated by the founder of the darktable project - so it looks to me that there is some deliberate delay built into the list server ... (at least I have some rough idea what's going on - and that it's beyond my control) -- regards Bernhard https://www.bilddateien.de ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org " ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
