error while sending mail using git send-email

[srishti sharma]

 These are the mutt configurations

   set ssl_starttls = yes
   set ssl_force_tls = yes
   set imap_user = srishtishar at gmail.com
   set imap_pass = 'heuristics at 56'

   set from = srishtishar at gmail.com
   set realname = 'srishti sharma'
   set folder = imaps://imap.gmail.com/
   set spoolfile = imaps://imap.gmail.com/INBOX
   set postponed = "imaps://imap.gmail.com/[Gmail]/Drafts"

   set header_cache = "~/.mutt/cache/headers"
   set message_cachedir = "~/.mutt/cache/bodies"
   set certificate_file = "~/.mutt/certificates"
   set smtp_url = 'smtps://smtp-relay.gmail.com'
   set move = no
   set imap_keepalive = 900

On Sun, Feb 5, 2017 at 7:22 AM, srishti sharma <srishtishar at gmail.com> wrote:
>   These are the mutt configurations
>
>    set ssl_starttls = yes
>    set ssl_force_tls = yes
>    set imap_user = srishtishar at gmail.com
>    set imap_pass = 'heuristics at 56'
>
>    set from = srishtishar at gmail.com
>    set realname = 'srishti sharma'
>    set folder = imaps://imap.gmail.com/
>    set spoolfile = imaps://imap.gmail.com/INBOX
>    set postponed = "imaps://imap.gmail.com/[Gmail]/Drafts"
>
>    set header_cache = "~/.mutt/cache/headers"
>    set message_cachedir = "~/.mutt/cache/bodies"
>    set certificate_file = "~/.mutt/certificates"
>    set smtp_url = 'smtps://smtp-relay.gmail.com'
>    set move = no
>    set imap_keepalive = 900
>
>
>
> On Sun, Feb 5, 2017 at 7:15 AM, Ozgur Karatas <mueddib at goosey.org> wrote:
>> 05.02.2017, 04:40, "srishti sharma" <srishtishar at gmail.com>:
>>> I am getting the error smtp server problem name or service not known
>>> I have tried googling it but , I haven't found anything relevant .
>>> what could be the problem .
>>>
>>> regards
>>>
>>
>> Hello,
>>
>> what is the mutt configurations? would you paste it? what did you configure as smtp settings on the mutt? Please paste it.
>> if you don't show us the error message and the configuration, we can't help you at all.
>>
>> Regards
>>
>> ~Ozgur