From plug-mail Wed Dec 23 08:55:19 2020 From: Vishal Rao Date: Wed, 23 Dec 2020 08:55:19 +0000 To: plug-mail Subject: Re: [PLUG] Sendmail is unable to send emails to users in same domain Message-Id: X-MARC-Message: https://marc.info/?l=plug-mail&m=160871371908711 MIME-Version: 1 Content-Type: multipart/mixed; boundary="--===============5292618994381879619==" --===============5292618994381879619== Content-Type: multipart/alternative; boundary="000000000000c7a9ee05b71dd50c" --000000000000c7a9ee05b71dd50c Content-Type: text/plain; charset="UTF-8" So either you need smtp server port listening enabled on host abc.com or there is a firewall rule blocking it, I guess. On Wed, 23 Dec 2020, 14:21 Amey Abhyankar, wrote: > On Wed, 23 Dec 2020 at 12:50, Vishal Rao wrote: > > > > Do you have mail server port open on abc.com itself and not some > subdomain like smtp.abc.com? > > If I try to telnet on port 25 to abc.com, I get a connection refused > message.[over private/internal IP range] > > > > > On Wed, 23 Dec 2020, 12:33 Amey Abhyankar, wrote: > >> > >> Hello, > >> > >> I am trying to configure sendmail on gitlab 13.x CE [on-prem > >> server/CentOS 7] to send emails to the LDAP based gitlab users. > >> [on-prem/traditional set-up] > >> > >> Sendmail is able to send email to any domains except its own domain. > >> > >> In logs, I am getting a message saying that the connection is refused > >> by domain abc.com & the private IP of Windows based DNS server. > >> The mailing solution for abc.com is taken from Google. > >> We checked for any email in the queue from gitlab@gitlab.abc.com but > >> no email in blacklist or spam section. > >> > >> mail sender is gitlab@gitlab.abc.com > >> Reply to is noreply@gitlab.abc.com > >> > >> I tried to add abc.com domain in access file as = Connect:abc.com > RELAY > >> Tried with more R&D but same issue. > >> Not helping. > >> > >> Any ideas how to fix the issue. > >> I did a lot of Google. > >> Those solutions did not work. > >> > >> Regards, > >> Amey. > >> _______________________________________________ > >> plug-mail mailing list > >> plug-mail@plug.org.in > >> http://list.plug.org.in/listinfo/plug-mail > > > > _______________________________________________ > > plug-mail mailing list > > plug-mail@plug.org.in > > http://list.plug.org.in/listinfo/plug-mail > _______________________________________________ > plug-mail mailing list > plug-mail@plug.org.in > http://list.plug.org.in/listinfo/plug-mail > --000000000000c7a9ee05b71dd50c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
So either you need smtp server port listening enabled on = host abc.com or there is a firewall rule blo= cking it, I guess.=C2=A0

On Wed, 23 Dec 2020, 14:21 Amey Abhyankar, <sco1984@gmail.com> wrote:
=
On Wed, 23 Dec 2020 at 12:5= 0, Vishal Rao <vishalrao@gmail.com> wrote:
>
> Do yo= u have mail server port open on abc.com itself and not some subdomain like smtp.abc.com<= /a>?

If I try to telnet on port 25 to abc.com, I get a connecti= on refused message.[over private/internal IP range= ]

>
> On Wed, 23 Dec 2020, 12:= 33 Amey Abhyankar, <sco1984@gmail.com> wrote:
>>
>&= gt; Hello,
>>
>> I am trying to configure sendmail on git= lab 13.x CE [on-prem
>> server/CentOS 7] to send emails to the LDA= P based gitlab users.
>> [on-prem/traditional set-up]
>><= br>>> Sendmail is able to send email to any domains except its own do= main.
>>
>> In logs, I am getting a message saying that t= he connection is refused
>> by domain abc.com & the private IP of Win= dows based DNS server.
>> The mailing solution for abc.com is taken from = Google.
>> We checked for any email in the queue from gitlab@gi= tlab.abc.com but
>> no email in blacklist or spam section.
= >>
>> mail sender is gitlab@gitlab.abc.com
>>= ; Reply to is noreply@gitlab.abc.com
>>
>> I trie= d to add ab= c.com domain in access file as =3D Connect:abc.com =C2=A0 RELAY
>> Tr= ied with more R&D but same issue.
>> Not helping.
>><= br>>> Any ideas how to fix the issue.
>> I did a lot of Goog= le.
>> Those solutions did not work.
>>
>> Regar= ds,
>> Amey.
>> _________________________________________= ______
>> plug-mail mailing list
>> plug-mail@plug.org= .in
>> http://list.plug.org.in/listinfo/plug-= mail
>
> _______________________________________________> plug-mail mailing list
> plug-mail@plug.org.in
> <= a href=3D"http://list.plug.org.in/listinfo/plug-mail" target=3D"_blank" rel= =3D"noreferrer">http://list.plug.org.in/listinfo/plug-mail
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