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Issue Obsidian FORWARD email problem.

Alberto Pizzarelli

Basic Pleskian
good morning,
I installed 2 VPS with Centos 7 and Obisidian, and on both I had the same problem with postfix


The problem is created when an email is forwarded to another external address, I disabled selinux, and I can't find a solution, even using the "plesk Repair mail"

This is maillog:
Oct 17 07:06:48 hetz08 postfix/pipe[8183]: 0AF3F601B1: to=<[email protected]>, relay=plesk_virtual, delay=206, delays=205/0.04/0/0.26, dsn=4.3.0, status=deferred (temporary failure. Command output: fork_execv: execv("/usr/sbin/sendmail") failed: Permission denied 4.2.1 Message can not be delivered at this time )

Do any of you have an idea? I think it's a bug.

Thankyou advance.
 
Try to set correct file permissions for postfix-sendmail-wrapper:

# chmod 4555 /usr/lib64/plesk-9.0/postfix-sendmail-wrapper

and then resend differed emails:

# postqueue -f
 
What is the output of commands:

# ls -l /etc/alternatives/mta

# stat /usr/lib64/plesk-9.0/postfix-sendmail-wrapper

?
 
[root@hetz08 postfix]# ls -l /etc/alternatives/mta
lrwxrwxrwx. 1 root root 26 16 ott 14.28 /etc/alternatives/mta -> /usr/sbin/sendmail.postfix

root@hetz08 postfix]# ls -al /usr/sbin/sendmail.postfix
lrwxrwxrwx. 1 root root 46 16 ott 14.30 /usr/sbin/sendmail.postfix ->

[root@hetz08 postfix]# ls -al /usr/lib64/plesk-9.0/sendmail/sendmail.postfix
-rwsr-xr-x. 1 root root 296720 4 set 09.19 /usr/lib64/plesk-9.0/sendmail/sendmail.postfix


root@hetz08 postfix]# stat /usr/lib64/plesk-9.0/sendmail/sendmail.postfix
File: "/usr/lib64/plesk-9.0/sendmail/sendmail.postfix"
Dim.: 296720 Blocchi: 584 Blocco di IO: 4096 file regolare
Device: 801h/2049d Inode: 18596 Coll.: 1
Accesso: (4755/-rwsr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root)
Accesso : 2019-10-17 08:38:57.894790283 +0200
Modifica : 2019-09-04 09:19:58.000000000 +0200
Cambio : 2019-10-17 08:38:47.169487985 +0200
Creazione: -

[root@hetz08 postfix]# stat /usr/lib64/plesk-9.0/postfix-sendmail-wrapper
File: "/usr/lib64/plesk-9.0/postfix-sendmail-wrapper"
Dim.: 110480 Blocchi: 216 Blocco di IO: 4096 file regolare
Device: 801h/2049d Inode: 131755 Coll.: 1
Accesso: (4555/-r-sr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root)
Accesso : 2019-10-02 07:54:12.000000000 +0200
Modifica : 2019-10-02 07:54:12.000000000 +0200
Cambio : 2019-10-17 07:41:47.330260608 +0200
Creazione: -
 
[root@hetz08 postfix]# ls -l /etc/alternatives/mta
lrwxrwxrwx. 1 root root 26 16 ott 14.28 /etc/alternatives/mta -> /usr/sbin/sendmail.postfix

On my test Plesk Obsidian server on CentOS7 I see:

[root@ppu18-0 ~]# ls -l /etc/alternatives/mta
lrwxrwxrwx 1 root root 45 Oct 17 13:20 /etc/alternatives/mta -> /usr/lib64/plesk-9.0/postfix-sendmail-wrapper
 
incredible confirms that it is a BUG of the installation, deleting the link and recreating it with the correct wrapper, it works.

then:

1 - rm -f /etc/alternatives/mta
2 - ln -s /usr/lib64/plesk-9.0/postfix-sendmail-wrapper /etc/alternatives/mta

thankyou very much for support, but if you can send this to support installation.
 
incredible confirms that it is a BUG of the installation, deleting the link and recreating it with the correct wrapper, it works.
I can confirm this bug

Product version: Plesk Obsidian 18.0.20.1
OS version: CentOS 7.7.1908 x86_64
Build date: 2019/10/29 11:00
Revision: cede5c2f772cca93eed88629f2a221a3f6c92896

# ls -l /etc/alternatives/mta
lrwxrwxrwx 1 root root 26 Nov 2 21:22 /etc/alternatives/mta -> /usr/sbin/sendmail.postfix
# ls -l /usr/lib64/plesk-9.0/postfix-sendmail-wrapper
-rwsr-xr-x 1 root root 110480 Oct 29 05:43 /usr/lib64/plesk-9.0/postfix-sendmail-wrapper
# rm -f /etc/alternatives/mta
# ln -s /usr/lib64/plesk-9.0/postfix-sendmail-wrapper /etc/alternatives/mta
 
Same problem after update to:
Plesk Obsidian Version 18.0.20 Update #2

I created a daily cron with
rm -f /etc/alternatives/mta && ln -s /usr/lib64/plesk-9.0/postfix-sendmail-wrapper /etc/alternatives/mta && /usr/sbin/postsuper -r ALL

Where can I report this bug?
 
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