Updated to 1.6.19-36
Same issue.

On 18 September 2017 at 10:03, Yuriy Nasida <ynasida@gmail.com> wrote:
Update.

It isn't just a lot of emails. FS got segfault afte 69th attampt...

Sep 18 02:59:07 fs1 kernel: [15421422.922960] freeswitch[43697]: segfault at 7f30e35249b8 ip 00007f313e6c3ef3 sp 00007f30e35249a0 error 6 in libcurl.so.4.3.0[7f313e69d000+70000]
 

On 16 September 2017 at 18:46, Yuriy Nasida <ynasida@gmail.com> wrote:
Any advice? 

14 Сен 2017 г. 16:00 пользователь "Yuriy Nasida" <ynasida@gmail.com> написал:

Hi,

I noted that FS sends a lot of emails to my email box instead of only one in case I use vm_cc. 

It's very simple configuration. I just set vm_cc before  mod_voicemail is called (according wiki page) and leave voicemail message. 
For main emails box I recieve only one message as expected.
But I have ~60 exactly same messages at email box from vm_cc.

In console I also noted that FS really sends emails many times without obvios reason. 

mod_voicemail.c:2832 Deliver VM to yuriytest2@mydomain.com
mod_voicemail.c:1925 Update MWI: Processing for yuriytest2@mydomain.com in inbox
mod_voicemail.c:1950 Update MWI: Messages Waiting yes
mod_voicemail.c:1951 Update MWI: Update Reason NEW
mod_voicemail.c:1952 Update MWI: Message Account yuriytest2@mydomain.com
mod_voicemail.c:1953 Update MWI: Voice Message 69/0
switch_utils.c:1180 Emailed file [/tmp/mail.1505386894e5a8] to [myemailbox@gmail.com]
mod_voicemail.c:3042 Sending message to myemailbox@gmail.com

Next FS does this again and tries to Deliver VM to yuriytest2@mydomain.com.

Please advice.