Re: [PLUG] Sendmail is unable to send emails to users in same domain

2020-12-23 Thread Amey Abhyankar
On Wed, 23 Dec 2020 at 14:25, Vishal Rao wrote: > So either you need smtp server port listening enabled on host abc.com or > there is a firewall rule blocking it, I guess. > Issue got resolved after removing entry of abc.com from /etc/resolve.conf > > On Wed, 23 Dec 2020, 14:21 Amey

Re: [PLUG] Sendmail is unable to send emails to users in same domain

2020-12-23 Thread Vishal Rao
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 >

Re: [PLUG] Sendmail is unable to send emails to users in same domain

2020-12-23 Thread Amey Abhyankar
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

Re: [PLUG] Sendmail is unable to send emails to users in same domain

2020-12-22 Thread Vishal Rao
Do you have mail server port open on abc.com itself and not some subdomain like smtp.abc.com? 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. >

[PLUG] Sendmail is unable to send emails to users in same domain

2020-12-22 Thread Amey Abhyankar
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