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computers / comp.mail.sendmail / Re: sendmail -bv [emailed results => sendmail look alike by postfix?]

SubjectAuthor
* sendmail -bvjgt
`* Re: sendmail -bv [emailed results => sendmail look alike by postfix?]Andrzej Adam Filip
 `* Re: sendmail -bv [emailed results => sendmail look alike by postfix?]jgt
  `* Re: sendmail -bv [emailed results => sendmail look alike by postfix?]Claus Aßmann
   `- Re: sendmail -bv [emailed results => sendmail look alike by postfix?]jgt

1
sendmail -bv

<adb5b5d7-688b-4eee-a4c2-496ddf79e66dn@googlegroups.com>

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https://www.novabbs.com/computers/article-flat.php?id=443&group=comp.mail.sendmail#443

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Date: Wed, 20 Apr 2022 12:10:26 -0700 (PDT)
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Message-ID: <adb5b5d7-688b-4eee-a4c2-496ddf79e66dn@googlegroups.com>
Subject: sendmail -bv
From: jac...@qbol.com (jgt)
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 by: jgt - Wed, 20 Apr 2022 19:10 UTC

I have been using "sendmail -bv emailaddress" to validate email addresses (buried within my client validation program.)
On my SCO system that uses 8.11.3, the results are written to standard output.
On my Linux Mint system, the results are emailed to me.
8.11.3 is appears to be no longer available for download, does anyone know which was the last release that output was directed to standard output?

Re: sendmail -bv [emailed results => sendmail look alike by postfix?]

<anfi+r4dk7pmobf-m4k3@wp.eu>

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https://www.novabbs.com/computers/article-flat.php?id=444&group=comp.mail.sendmail#444

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Path: i2pn2.org!i2pn.org!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: anf...@onet.eu (Andrzej Adam Filip)
Newsgroups: comp.mail.sendmail
Subject: Re: sendmail -bv [emailed results => sendmail look alike by postfix?]
Date: Wed, 20 Apr 2022 19:46:59 +0000 (UTC)
Organization: It is for me to know and for you to find out.
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logging-data="27556"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/eiwD3NX48iJ/6yy9hHuCc"
Cancel-Lock: sha1:lRIzJkFxWt17xq7hJJFn1Johll4=
sha1:6Pk1Coq+2BdLiiwB6Q7lIT4ABGw=
 by: Andrzej Adam Filip - Wed, 20 Apr 2022 19:46 UTC

jgt <jack@qbol.com> wrote:
> I have been using "sendmail -bv emailaddress" to validate email
> addresses (buried within my client validation program.)
> On my SCO system that uses 8.11.3, the results are written to standard output.
> On my Linux Mint system, the results are emailed to me.
> 8.11.3 is appears to be no longer available for download, does anyone
> know which was the last release that output was directed to standard
> output?

Are you sure you do not use sendmail look alike provided by postfix?

https://linux.die.net/man/1/sendmail.postfix
> sendmail - Postfix to Sendmail compatibility interface
> […]
> -bv Do not collect or deliver a message. Instead, send an email
> report after verifying each recipient address. This is useful for
> testing address rewriting and routing configurations.
> This feature is available in Postfix version 2.1 and later.

--
[Andrew] Andrzej A. Filip

Re: sendmail -bv [emailed results => sendmail look alike by postfix?]

<05d6705d-6187-492c-bbbe-000524dd3432n@googlegroups.com>

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https://www.novabbs.com/computers/article-flat.php?id=445&group=comp.mail.sendmail#445

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Subject: Re: sendmail -bv [emailed results => sendmail look alike by postfix?]
From: jac...@qbol.com (jgt)
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 by: jgt - Wed, 20 Apr 2022 21:25 UTC

Postfix is not installed, and sendmail is 8.15.4.
The man page for the postfix version of sendmail which I have on another system starts with
"postfix to sendmail compatibility interface" whereas the sendmail version starts
with "electronic mail transport agent". So I am assuming that I am using the original sendmail.
I did try installing the oldest (8.12.11) version on the sendmail.org website, but it failed to compile.

Re: sendmail -bv [emailed results => sendmail look alike by postfix?]

<t3qo48$9cn$1@news.misty.com>

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From: INVALID_...@esmtp.org (Claus Aßmann)
Newsgroups: comp.mail.sendmail
Subject: Re: sendmail -bv [emailed results => sendmail look alike by postfix?]
Date: Thu, 21 Apr 2022 00:55:37 -0400 (EDT)
Organization: MGT Consulting
Sender: <ml+sendmail(-no-copies-please)@esmtp.org>
Message-ID: <t3qo48$9cn$1@news.misty.com>
References: <adb5b5d7-688b-4eee-a4c2-496ddf79e66dn@googlegroups.com> <anfi+r4dk7pmobf-m4k3@wp.eu> <05d6705d-6187-492c-bbbe-000524dd3432n@googlegroups.com>
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Originator: ca@x2.esmtp.org (Claus Assmann)
 by: Claus Aßmann - Thu, 21 Apr 2022 04:55 UTC

jgt wrote:

> Postfix is not installed, and sendmail is 8.15.4.

What's the output of
sendmail -bt -d0.14 </dev/null

> I did try installing the oldest (8.12.11) version on the sendmail.org
> website, but it failed to compile.

Just use the latest version.
The "real" sendmail will not e-mail you the results of -bv.

$ sendmail -bv user
Notice: -bv may give misleading output for non-privileged user
can not chdir(/var/spool/mqueue/): Permission denied
Program mode requires special privileges, e.g., root or TrustedUser.

--
Note: please read the netiquette before posting. I will almost never
reply to top-postings which include a full copy of the previous
article(s) at the end because it's annoying, shows that the poster
is too lazy to trim his article, and it's wasting the time of all readers.

Re: sendmail -bv [emailed results => sendmail look alike by postfix?]

<02ce0aff-a4b6-4e3b-a782-36fb12f5342an@googlegroups.com>

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<anfi+r4dk7pmobf-m4k3@wp.eu> <05d6705d-6187-492c-bbbe-000524dd3432n@googlegroups.com>
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Subject: Re: sendmail -bv [emailed results => sendmail look alike by postfix?]
From: jac...@qbol.com (jgt)
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 by: jgt - Tue, 26 Apr 2022 16:22 UTC

I inspected the output of 'sendmail -bt -d0.14 </dev/null' and found that the FDQN of the system was missing from /etc/hosts.
Updated the hosts file, and all works when run by root, or sudo.

1
server_pubkey.txt

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