[ZendTo] Zend.to error during drop-off

Ken Etter kle at msktd.com
Thu Oct 25 17:57:37 BST 2018

I just finished setting up a brand new VM and I get the same error
message!  This makes no sense!  Any thoughts?
* installed Ubuntu 16.04.3 as a basic server
* configured networking
* installed openssh-server
* patched server to 16.04.5
* downloaded your installer and ran it
		used most defaults except I had to specify the smtp
server and the address of the site
		the site address defaulted to https://server_name and I
changed it to https://transfer.msktd.com
* modified preferences.php and zendto.conf for my settings
* reboot
* login to site and attempt a drop off and I get the same error as my
upgraded site

What could possibly be wrong in what I did?

>>> Jules Field <Jules at Zend.To> 10/25/2018 11:41 AM >>>
> Edit your /etc/passwd file to set the shell for your Apache user to

Then "pwconv" so the change takes effect.
Then try this
su - apache (or whatever user your Apache is running as)

clamdscan /var/zendto/*

clamdscan --fdpass /var/zendto/*


What happened? Did the virus scans both complete successfully?
If not, and you're running CentOS/RedHat 7, try this and then give the
above another try:
groupmems --group virusgroup --add apache

systemctl restart httpd

I added that extra groupmems command to the Installer a day or two ago
when I discovered that RedHat/CentOS had changed their group membership
rules in an update.
Any improvement?
P.S. Otherwise, if you can give me remote ssh access I can login myself
and take a look for you. I would be interested to see what it is, if
it's not any of the above.
On 25/10/2018 16:22, Ken Etter wrote:

Yep, PHP 7.2 is installed. I've run through the installer multiple
times now. No change, still get the error.
>>> Jules Field <Jules at Zend.To>
( mailto:Jules at Zend.To)  10/25/2018 11:15 AM >>>
> Do you have PHP 7.2 installed? 

My Installer can be run in stages, and those stages can be run
So you might want to download the Installer, unpack it and wander into
it. In what will obviously be the right sub-dir for your OS, you will
see the numbered scripts.
# cd install.ZendTo/CentOS-RedHat/ 

# ls 

1-devtools.sh 3-clamav.sh 5-httpd-php.sh 7-zendto.sh CentOS6 RHEL7 

2-php.sh 4-firewall.sh 6-email.sh 8-selinux.sh RHEL5 


If your web server is already working nicely, then you can probably
skip stage 1 (though it won't do any harm).
If you haven't installed PHP 7.2 along with things like the sodium
extension, then run stage 2 which installs PHP. (Grab a backup copy of
your ZendTo installation first, as it may have to remove the *whole* of
PHP first which can also remove ZendTo and other PHP applications in the
process, before it can install the correct version).
Stages 3 and 5 shouldn't do any damage, but will add any new settings
they need for PHP and so on.
Stage 7 does the actual ZendTo installation itself, which it will do as
an upgrade if it finds a zendto RPM already installed. Well worth
Stage 8 is only relevant if you are using SELinux, and won't do
anything if you're not.
Since version 4, ZendTo no longer needs any form of custom-built PHP or
anything like that. So there's no recompiling to be done.
Then if you have a previous preferences.php and/or zendto.conf, you
need to use
to upgrade those files.
Also, if you have done an RPM upgrade from ZendTo 4, you probably have
a whole stack of *.rpmnew files in /opt/zendto/templates. You want to
move each of those into place so they replace your old *.tpl files.
As I said, it really is faster/easier/better to build v5 from scratch,
its requirements are so different from v4.
Hope that helps,
On 25/10/2018 15:59, Ken Etter wrote:

None of that helps. I'm building a new system. This is a production
system. I never had problems in the past with upgrading so I went ahead
and did it. Bad move. Unless anyone has any other ideas, I will just

keep working on setting up the new system. I have to get something
running again for my users.

>>> Jules Field via ZendTo <zendto at zend.to>
( mailto:zendto at zend.to)  10/25/2018 10:53 AM >>>
> Yes, those directories do need to be writable by whatever user and
group your web server is running as. 

If you are using SELinux (most likely if you are using CentOS or
RedHat), then I would also advise
restorecon -FRv /opt/zendto /var/zendto 

to reset all the SELinux attributes to the values configured by my
Also, if you think it might be an SELinux problem, you can switch it
into "permissive" mode by
setenforce permissive 

systemctl restart httpd 

systemctl restart clamd at scan 

To switch it back to "enforcing", you then do
setenforce enforcing 

systemctl restart httpd 

systemctl restart clamd at scan 

On 25/10/2018 14:31, Gray McCord via ZendTo wrote:

I’ve seen that message as well. Check the file permissions on the
/opt/zendto directories. Seems like I needed to make them writeable by
the apache user, but I could be mistaken.
Gray McCord
Adapt, Mutate, Migrate, or Die
-C. Darwin
From: ZendTo <zendto-bounces at zend.to>
( mailto:zendto-bounces at zend.to)  On Behalf Of Ken Etter via ZendTo
Sent: Thursday, October 25, 2018 8:26 AM
To: ZendTo List <zendto at zend.to>
( mailto:zendto at zend.to) 
Cc: Ken Etter <KLE at msktd.com>
( mailto:KLE at msktd.com) 
Subject: Re: [ZendTo] Zend.to error during drop-off
Going back through the mailing list archives, I see that I am having
exactly the same problem as Kevin O'Connor in this thread:

Files are uploaded, but I get that error message and the email is not
There is no stated resolution in that thread. Any suggestions or do I
have to rebuild a brand new Zend.To server?
Zend.To has been fairly solid for me...a bit of a pain to find this
upgrade to be so fragile.
>>> Ken Etter via ZendTo <zendto at zend.to> 10/25/2018 8:38 AM >>>
I am running this on Ubuntu 16.04.5 LTS if that matters.

>>> Ken Etter via ZendTo <zendto at zend.to> 10/25/2018 8:36 AM >>>
Just upgraded my Zend.To installation from 4.x to 5.15-1. Everything
appeared to go ok. But when I click drop-off files, I get an error that
states: "Sorry, I failed to drop-off your files! Note that you cannot
drop-off directories, only files." I'm not dropping off a directory,
just a single file. I tried a couple different file types - same error
each time. Any suggestions for fixing this? Thanks!

Ken Etter, System Administrator
Architectural Group
260.432.9337 | msktd.com


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