[pfx] [OT] converting seconds since epoch (was: Maildir filename format)
31.07.23, 17:39 +0200, Bill Cole via Postfix-users: 1690633510 is the timestamp in "Unix Epoch Seconds." "date -j -f %s 1690633510" will do the conversion. You're probably using a BSD-provided date command. With the date version from the GNU coreutils, one can decode the epoch timestamp like this: date --date='@1690633510' -- Regards mks ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
On 2023-07-31 at 09:34:47 UTC-0400 (Mon, 31 Jul 2023 15:34:47 +0200) Fourhundred Thecat via Postfix-users <400the...@gmx.ch> is rumored to have said: On 2023-07-31 15:09, Bill Cole via Postfix-users wrote: On 2023-07-31 at 02:43:28 UTC-0400 (Mon, 31 Jul 2023 08:43:28 +0200) 1690633510.M94611123819.mail,S=11706,W=12202:2,S That message was delivered at Sat Jul 29 12:25:10 2023 UTC. It is 11706 bytes on disk and the "RFC822Size" (a.k.a. "wire size") is 12202 bytes, implying that it has 496 lines of text. It has been marked as seen by an IMAP client, and has no other IMAP flags set. The delivery agent believes that its hostname is simply "mail". how did you decode it ? 1690633510 is the timestamp in "Unix Epoch Seconds." "date -j -f %s 1690633510" will do the conversion. M94611123819 is a locally unique token chosen by the delivery agent. I believe that for Dovecot on most platforms there's an inode number hidden in there. mail is the hostname S= and W= fields are (compatible) Dovecot extensions to the naming format that spares reading the file or even stat()ing it to get the raw size. : is the delimiter between the base name and the flags 2 is the version number for the format. S is an indicator that the IMAP "\Seen" flag is set for the message. -- Bill Cole b...@scconsult.com or billc...@apache.org (AKA @grumpybozo and many *@billmail.scconsult.com addresses) Not Currently Available For Hire ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
Dnia 31.07.2023 o godz. 16:56:04 Eugene R via Postfix-users pisze: > But what is wrong with simply moving the message from one folder to > another in the mail client? Nothing, except the name (and sometimes the modification time) of the original file on the server is changed (at least that's my experience), and I simply don't like it. > You can also use sieve scripts to automate retraining whatever mail > filter you use. It is my own filter (spamassassin with customized rules, plus a set of custom procmail rules(!) as a last stage), and prefer to manage it manually :) -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub." ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
Magic ))) seriously, check the specs in the links I sent recently. On 31.07.2023 16:34, Fourhundred Thecat via Postfix-users wrote: > On 2023-07-31 15:09, Bill Cole via Postfix-users wrote: On 2023-07-31 at 02:43:28 UTC-0400 (Mon, 31 Jul 2023 08:43:28 +0200) 1690633510.M94611123819.mail,S=11706,W=12202:2,S That message was delivered at Sat Jul 29 12:25:10 2023 UTC. It is 11706 bytes on disk and the "RFC822Size" (a.k.a. "wire size") is 12202 bytes, implying that it has 496 lines of text. It has been marked as seen by an IMAP client, and has no other IMAP flags set. The delivery agent believes that its hostname is simply "mail". how did you decode it ? ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
But what is wrong with simply moving the message from one folder to another in the mail client? You can also use sieve scripts to automate retraining whatever mail filter you use. On 31.07.2023 16:52, Jaroslaw Rafa via Postfix-users wrote: Dnia 31.07.2023 o godz. 15:38:01 Fourhundred Thecat via Postfix-users pisze: for me, being able to manipulate individual emails as files is the main advantage of using Maildir format. It's not meant for day-to-day operation, but for troubleshooting or backups of individual emails if necessary Listing the files in Maildir directory in modification time order (newest first) may help a bit. If you sort your emails in the mail client also newest first, you may approximately know that the message you are interested in is probably eg. a third or fifth file in that order. Of course you always need to check it by actually viewing the file. I use that approach when pulling false positives out of my spam folder and moving to main inbox, after I have adjusted my filters to not catch this type of messages. ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
Dnia 31.07.2023 o godz. 15:38:01 Fourhundred Thecat via Postfix-users pisze: > > for me, being able to manipulate individual emails as files is the main > advantage of using Maildir format. It's not meant for day-to-day > operation, but for troubleshooting or backups of individual emails if > necessary Listing the files in Maildir directory in modification time order (newest first) may help a bit. If you sort your emails in the mail client also newest first, you may approximately know that the message you are interested in is probably eg. a third or fifth file in that order. Of course you always need to check it by actually viewing the file. I use that approach when pulling false positives out of my spam folder and moving to main inbox, after I have adjusted my filters to not catch this type of messages. -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub." ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
And Unix tools such as find, tar, or less have absolutely no trouble working with these names (Dovecot even maintains the correct file times). When accessing specific files, do remember about the new vs cur subdir issues, however. On 31.07.2023 16:38, Fourhundred Thecat via Postfix-users wrote: > On 2023-07-31 15:24, Eugene R via Postfix-users wrote: Those "ugly characters" are there for a reason: they are specified by the Maildir standard (and the Dovecot's extensions to it) to encode various metadata such as message ID, size, flags, etc https://en.wikipedia.org/wiki/Maildir https://cr.yp.to/proto/maildir.html https://doc.dovecot.org/admin_manual/mailbox_formats/maildir/ Also, why the "filename esthetics" even matters? The maildir directory is not supposed to be viewed (let alone directly accessed or modified) by a user. Mail clients and Dovecot provide useful (as well as format-independent and universal) human-oriented interfaces and admin tools. for me, being able to manipulate individual emails as files is the main advantage of using Maildir format. It's not meant for day-to-day operation, but for troubleshooting or backups of individual emails if necessary ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
> On 2023-07-31 15:24, Eugene R via Postfix-users wrote: Those "ugly characters" are there for a reason: they are specified by the Maildir standard (and the Dovecot's extensions to it) to encode various metadata such as message ID, size, flags, etc https://en.wikipedia.org/wiki/Maildir https://cr.yp.to/proto/maildir.html https://doc.dovecot.org/admin_manual/mailbox_formats/maildir/ Also, why the "filename esthetics" even matters? The maildir directory is not supposed to be viewed (let alone directly accessed or modified) by a user. Mail clients and Dovecot provide useful (as well as format-independent and universal) human-oriented interfaces and admin tools. for me, being able to manipulate individual emails as files is the main advantage of using Maildir format. It's not meant for day-to-day operation, but for troubleshooting or backups of individual emails if necessary ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
> On 2023-07-31 15:09, Bill Cole via Postfix-users wrote: On 2023-07-31 at 02:43:28 UTC-0400 (Mon, 31 Jul 2023 08:43:28 +0200) 1690633510.M94611123819.mail,S=11706,W=12202:2,S That message was delivered at Sat Jul 29 12:25:10 2023 UTC. It is 11706 bytes on disk and the "RFC822Size" (a.k.a. "wire size") is 12202 bytes, implying that it has 496 lines of text. It has been marked as seen by an IMAP client, and has no other IMAP flags set. The delivery agent believes that its hostname is simply "mail". how did you decode it ? ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
Hello, Those "ugly characters" are there for a reason: they are specified by the Maildir standard (and the Dovecot's extensions to it) to encode various metadata such as message ID, size, flags, etc https://en.wikipedia.org/wiki/Maildir https://cr.yp.to/proto/maildir.html https://doc.dovecot.org/admin_manual/mailbox_formats/maildir/ Also, why the "filename esthetics" even matters? The maildir directory is not supposed to be viewed (let alone directly accessed or modified) by a user. Mail clients and Dovecot provide useful (as well as format-independent and universal) human-oriented interfaces and admin tools. Best wishes, Eugene On 31.07.2023 09:43, Fourhundred Thecat via Postfix-users wrote: Hello, I am using Maildir format on my server (Postfix + Dovecot). The individual filenames have this format: 1690633510.M94611123819.mail,S=11706,W=12202:2,S Now, I have another, unrelated email account (not my mail server), and I have set up Thunderbird with local Maildir support. When I look inside the folder, the emails have this nice and clear format: for received: ----x...@sender.com.eml for sent: ----x...@recipient.com.eml how could I have such nice filenames on my server, with useful information in the filename, instead of those ugly containing special characters like '=' and ':' ? Do the nioe filenames come from Thunderbird, or from the mailserver ? thanks, ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
On 2023-07-31 at 02:43:28 UTC-0400 (Mon, 31 Jul 2023 08:43:28 +0200) Fourhundred Thecat via Postfix-users <400the...@gmx.ch> is rumored to have said: Hello, I am using Maildir format on my server (Postfix + Dovecot). The individual filenames have this format: 1690633510.M94611123819.mail,S=11706,W=12202:2,S That message was delivered at Sat Jul 29 12:25:10 2023 UTC. It is 11706 bytes on disk and the "RFC822Size" (a.k.a. "wire size") is 12202 bytes, implying that it has 496 lines of text. It has been marked as seen by an IMAP client, and has no other IMAP flags set. The delivery agent believes that its hostname is simply "mail". Now, I have another, unrelated email account (not my mail server), and I have set up Thunderbird with local Maildir support. Which is not compliant with any Maildir spec that I am aware of. When I look inside the folder, the emails have this nice and clear format: for received: ----x...@sender.com.eml for sent: ----x...@recipient.com.eml how could I have such nice filenames on my server, with useful information in the filename, instead of those ugly containing special characters like '=' and ':' ? You cannot. The names on the server are structured as defined in the Maildir spec and specifically constructed by the delivery agents (Postfix and/or Dovecot.) They include extended semantics specific to Dovecot that embeds metadata in the names. Do the nioe filenames come from Thunderbird, or from the mailserver ? TBird. -- Bill Cole b...@scconsult.com or billc...@apache.org (AKA @grumpybozo and many *@billmail.scconsult.com addresses) Not Currently Available For Hire ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Re: Maildir filename format
Dnia 31.07.2023 o godz. 08:43:28 Fourhundred Thecat via Postfix-users pisze: > Hello, > > I am using Maildir format on my server (Postfix + Dovecot). > > The individual filenames have this format: > > 1690633510.M94611123819.mail,S=11706,W=12202:2,S This is how Dovecot names them. Files delivered directly by Postfix have a bit different names, like 1690675359.10129_0.hostname:2,S where "hostname" is the hostname of your mail server (same as "mail" in your example). > Now, I have another, unrelated email account (not my mail server), and I > have set up Thunderbird with local Maildir support. When I look inside > the folder, the emails have this nice and clear format: > > for received: > > ----x...@sender.com.eml > > for sent: > > ----x...@recipient.com.eml > > how could I have such nice filenames on my server, with useful > information in the filename, instead of those ugly containing special > characters like '=' and ':' ? > > Do the nioe filenames come from Thunderbird, or from the mailserver ? Definitely they come from Thunderbird. When a mail client retrieves mail from the server, it has no idea of how the mail files are actually named on the server. It names them by its own. -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub." ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
[pfx] Maildir filename format
Hello, I am using Maildir format on my server (Postfix + Dovecot). The individual filenames have this format: 1690633510.M94611123819.mail,S=11706,W=12202:2,S Now, I have another, unrelated email account (not my mail server), and I have set up Thunderbird with local Maildir support. When I look inside the folder, the emails have this nice and clear format: for received: ----x...@sender.com.eml for sent: ----x...@recipient.com.eml how could I have such nice filenames on my server, with useful information in the filename, instead of those ugly containing special characters like '=' and ':' ? Do the nioe filenames come from Thunderbird, or from the mailserver ? thanks, ___ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
