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Re: FORMS, validating mail was sent [message #181872 is a reply to message #181868]

Thu, 20 June 2013 21:03

The Natural Philosoph
Messages: 993
Registered: September 2010

Karma:

Senior Member

On 20/06/13 20:44, Gordon Burditt wrote:
>> Not easy. I usually include myself in the mailing list.
>>
>> BUT even so if there are bad mail addresses, then you need to set
>> yourself as the bounce target as well, to see those.
>> In general in a *nix platform the messages will be recieved by the SMTP
>> forwarding agent, and then get queued and a queue run will take place
>> immediately.
>>
>> to check the mail queue there is a system command mailq which should
>> return empty.
> However, checking the mail queue doesn't tell you much. If a test
> tells you that you might be ugly if it's positive and you might be
> ugly if it's negative, why run the test at all? The mail queue may
> be empty because:
> + Your mail was dropped on the floor for having an invalid
> From: address. Valid From: addresses likely include ONLY
> those with the host name of the server you are sending
> from and a known valid user on that system. Typically
> only a few users like root can send mail with 'fake'
> (off-system) From: addresses. Hint: Do NOT put a
> user-supplied email address in the From: header.
>
> + Your mail was already sent on.
>
> + Your mail has already bounced.
>
> + Your mail was already dropped for policy reasons like
> sending over a number of addresses in a given hour.
>
> The mail queue may *not* be empty because:
> + If the system load was high, the "immediate queue run" may
> not be so immediate.
>
> + Someone's been sending a lot of mail. It is not at all
> difficult to back up a mail server sending one email per second
> (we'll assume you are sending individual copies because
> they are personalized) and starting a queue run each time.
>
> + Someone (perhaps another user of your site) just sent
> mail a few milliseconds ago.
>
> + The intended recipient has a slow DNS server. If you
> send emails to 100 recipients at a time, it is likely
> that at least a couple of them have slow DNS servers or
> overloaded mail servers. The mail will stay in the queue
> until the message has been delivered to all recipients,
> and that can take days, even if 98 of them were delivered
> in the first minute.
INdeed.
All you can say is that the message has left the building. Not whither
it was bound.

>> But you cant execute that without root privileges. Which means having
>> that level of access to the machine and writing an su 'ed wrapper in C
>> and calling that instead.
> Sometimes you can get a queue count without root privileges. The
> program that comes with the MTA for this is likely already setuid-root,
> and you may be able to configure allowing ordinary users to get a
> queue count.
it ain't the case here, cos I checked :-)

>> If apache is running php as 'www-data' or whatever.
>> In short there are things you can do, but none are easy and all are
>> outside the scope of 'just' php.

--
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to lead are elected by the least capable of producing, and where the members of society least likely to sustain themselves or succeed, are rewarded with goods and services paid for by the confiscated wealth of a diminishing number of producers.

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[Message index]

		FORMS, validating mail was sent By: bill on Thu, 20 June 2013 17:40
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Thu, 20 June 2013 17:53
		Re: FORMS, validating mail was sent By: J.O. Aho on Thu, 20 June 2013 18:18
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Thu, 20 June 2013 18:24
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Thu, 20 June 2013 18:40
		Re: FORMS, validating mail was sent By: gordonb.vb4vo on Thu, 20 June 2013 19:44
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Thu, 20 June 2013 21:03
		Re: FORMS, validating mail was sent By: bill on Fri, 21 June 2013 18:06
		Re: FORMS, validating mail was sent By: bill on Sat, 22 June 2013 15:42
		Re: FORMS, validating mail was sent By: Thomas 'PointedEars' on Sun, 23 June 2013 11:13
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Sun, 23 June 2013 11:22
		Re: FORMS, validating mail was sent By: bill on Sun, 23 June 2013 17:07
		Re: FORMS, validating mail was sent By: bill on Sun, 23 June 2013 17:00
		Re: FORMS, validating mail was sent By: J.O. Aho on Sun, 23 June 2013 18:22
		Re: FORMS, validating mail was sent By: bill on Sun, 23 June 2013 18:53
		Re: FORMS, validating mail was sent By: gordonb.4qaft on Mon, 24 June 2013 19:43
		Re: FORMS, validating mail was sent By: Peter H. Coffin on Mon, 24 June 2013 20:09
		Re: FORMS, validating mail was sent By: Thomas 'PointedEars' on Tue, 25 June 2013 13:19
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Tue, 25 June 2013 14:11
		Re: FORMS, validating mail was sent By: bill on Tue, 25 June 2013 15:43
		Re: FORMS, validating mail was sent By: bill on Tue, 25 June 2013 15:32
		Re: FORMS, validating mail was sent By: gordonb.htsnc on Thu, 27 June 2013 15:57
		Re: FORMS, validating mail was sent By: Thomas 'PointedEars' on Thu, 27 June 2013 19:13
		Re: FORMS, validating mail was sent By: Arno Welzel on Fri, 28 June 2013 09:43
		Re: FORMS, validating mail was sent By: gordonb.k0cb7 on Thu, 20 June 2013 20:46
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Thu, 20 June 2013 21:03
		Re: FORMS, validating mail was sent By: gordonb.udxst on Sat, 22 June 2013 00:26
		Re: FORMS, validating mail was sent By: Jerry Stuckle on Sat, 22 June 2013 00:36
		Re: FORMS, validating mail was sent By: bill on Sat, 22 June 2013 16:04
		Re: FORMS, validating mail was sent By: Christoph Michael Bec on Thu, 20 June 2013 21:39
		Re: FORMS, validating mail was sent By: Tim Streater on Fri, 21 June 2013 09:11
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Fri, 21 June 2013 10:25
		Re: FORMS, validating mail was sent By: Tim Streater on Fri, 21 June 2013 11:27
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Fri, 21 June 2013 16:59
		Re: FORMS, validating mail was sent By: Tim Streater on Fri, 21 June 2013 17:25
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Fri, 21 June 2013 22:43
		Re: FORMS, validating mail was sent By: Tim Streater on Sat, 22 June 2013 12:45
		Re: FORMS, validating mail was sent By: bill on Sat, 22 June 2013 16:20
		Re: FORMS, validating mail was sent By: Peter H. Coffin on Thu, 20 June 2013 22:27
		Re: FORMS, validating mail was sent By: The Natural Philosoph on Fri, 21 June 2013 06:57
		Re: FORMS, validating mail was sent By: bill on Sat, 22 June 2013 16:02
		Re: FORMS, validating mail was sent By: GravyCode on Fri, 21 June 2013 18:30

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