Can postfix be configured to guarantee durable email receipt?
E.g., can it be sure to fsync the mbox/Maildir file and/or directory
before it acknowledges successful receipt of an email?
--
Yang Zhang
http://yz.mit.edu/
Yang Zhang:
Can postfix be configured to guarantee durable email receipt?
This is required by internet mail RFC and therefore not configurable.
Wietse
E.g., can it be sure to fsync the mbox/Maildir file and/or directory
before it acknowledges successful receipt of an email?
On 09/20/2010 08:37 PM, Yang Zhang wrote:
Can postfix be configured to guarantee durable email receipt?
E.g., can it be sure to fsync the mbox/Maildir file and/or directory
No, but it does guarantee durability from the receiving SMTP session to
the delivering process.
This CAN be
On Mon, Sep 20, 2010 at 12:02 PM, Jeroen Geilman jer...@adaptr.nl wrote:
On 09/20/2010 08:37 PM, Yang Zhang wrote:
Can postfix be configured to guarantee durable email receipt?
E.g., can it be sure to fsync the mbox/Maildir file and/or directory
No, but it does guarantee durability from
Can you pinpoint the exact RFC section you're referring to? Thanks.
On Mon, Sep 20, 2010 at 11:51 AM, Wietse Venema wie...@porcupine.org wrote:
Yang Zhang:
Can postfix be configured to guarantee durable email receipt?
This is required by internet mail RFC and therefore not configurable.
Yang Zhang:
Just to be clear, if I have this Maildir in my mailbox postmap:
j...@mydomain.com joe/
and most other settings are the Ubuntu 10.04 postfix defaults, then
postfix will have done an fsync by the time the 250 OK: queued as
12345 comes back, such that if I then immediately
Yang Zhang:
Can you pinpoint the exact RFC section you're referring to? Thanks.
I will give you as home work to study the following documents:
RFC 821
RFC 2821
RFC 5321
These have lots of other good stuff about Internet mail.
Wietse
On Mon, Sep 20, 2010 at 11:51 AM, Wietse Venema
On Mon, Sep 20, 2010 at 12:33 PM, Wietse Venema wie...@porcupine.org wrote:
Yang Zhang:
Can you pinpoint the exact RFC section you're referring to? Thanks.
I will give you as home work to study the following documents:
RFC 821
RFC 2821
RFC 5321
These have lots of other good stuff about
On Mon, Sep 20, 2010 at 12:31 PM, Wietse Venema wie...@porcupine.org wrote:
Yang Zhang:
Just to be clear, if I have this Maildir in my mailbox postmap:
j...@mydomain.com joe/
and most other settings are the Ubuntu 10.04 postfix defaults, then
postfix will have done an fsync by the time
* Yang Zhang yanghates...@gmail.com:
No. Postfix replies 250 OK: queued as 12345 when the message is QUEUED.
Doesn't this contradict your original reply that durability is
guaranteed? If there's no fsync, then the message may not have been
persisted to non-volatile storage, and will be
Yang Zhang put forth on 9/20/2010 3:46 PM:
On Mon, Sep 20, 2010 at 12:33 PM, Wietse Venema wie...@porcupine.org wrote:
Yang Zhang:
Can you pinpoint the exact RFC section you're referring to? Thanks.
I will give you as home work to study the following documents:
RFC 821
RFC 2821
RFC 5321
Ralf Hildebrandt:
* Yang Zhang yanghates...@gmail.com:
No. Postfix replies 250 OK: queued as 12345 when the message is QUEUED.
Doesn't this contradict your original reply that durability is
guaranteed? If there's no fsync, then the message may not have been
persisted to non-volatile
Le 20/09/2010 22:46, Yang Zhang a écrit :
On Mon, Sep 20, 2010 at 12:33 PM, Wietse Venemawie...@porcupine.org wrote:
Yang Zhang:
Can you pinpoint the exact RFC section you're referring to? Thanks.
I will give you as home work to study the following documents:
RFC 821
RFC 2821
RFC 5321
Le 20/09/2010 21:15, Yang Zhang a écrit :
On Mon, Sep 20, 2010 at 12:02 PM, Jeroen Geilmanjer...@adaptr.nl wrote:
On 09/20/2010 08:37 PM, Yang Zhang wrote:
Can postfix be configured to guarantee durable email receipt?
E.g., can it be sure to fsync the mbox/Maildir file and/or directory
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