<div dir="auto">So either you need smtp server port listening enabled on host <a href="http://abc.com">abc.com</a> or there is a firewall rule blocking it, I guess. </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 23 Dec 2020, 14:21 Amey Abhyankar, <<a href="mailto:sco1984@gmail.com">sco1984@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">On Wed, 23 Dec 2020 at 12:50, Vishal Rao <<a href="mailto:vishalrao@gmail.com" target="_blank" rel="noreferrer">vishalrao@gmail.com</a>> wrote:<br>><br>> Do you have mail server port open on <a href="http://abc.com" target="_blank" rel="noreferrer">abc.com</a> itself and not some subdomain like <a href="http://smtp.abc.com" target="_blank" rel="noreferrer">smtp.abc.com</a>?<div><br></div><div>If I try to telnet on port 25 to <a href="http://abc.com" target="_blank" rel="noreferrer">abc.com</a>, I get a connection refused message.<font face="monospace">[over private/internal IP range]</font><br></div><div><br></div><div>><br>> On Wed, 23 Dec 2020, 12:33 Amey Abhyankar, <<a href="mailto:sco1984@gmail.com" target="_blank" rel="noreferrer">sco1984@gmail.com</a>> wrote:<br>>><br>>> Hello,<br>>><br>>> I am trying to configure sendmail on gitlab 13.x CE [on-prem<br>>> server/CentOS 7] to send emails to the LDAP based gitlab users.<br>>> [on-prem/traditional set-up]<br>>><br>>> Sendmail is able to send email to any domains except its own domain.<br>>><br>>> In logs, I am getting a message saying that the connection is refused<br>>> by domain <a href="http://abc.com" target="_blank" rel="noreferrer">abc.com</a> & the private IP of Windows based DNS server.<br>>> The mailing solution for <a href="http://abc.com" target="_blank" rel="noreferrer">abc.com</a> is taken from Google.<br>>> We checked for any email in the queue from <a href="mailto:gitlab@gitlab.abc.com" target="_blank" rel="noreferrer">gitlab@gitlab.abc.com</a> but<br>>> no email in blacklist or spam section.<br>>><br>>> mail sender is <a href="mailto:gitlab@gitlab.abc.com" target="_blank" rel="noreferrer">gitlab@gitlab.abc.com</a><br>>> Reply to is <a href="mailto:noreply@gitlab.abc.com" target="_blank" rel="noreferrer">noreply@gitlab.abc.com</a><br>>><br>>> I tried to add <a href="http://abc.com" target="_blank" rel="noreferrer">abc.com</a> domain in access file as = Connect:<a href="http://abc.com" target="_blank" rel="noreferrer">abc.com</a> RELAY<br>>> Tried with more R&D but same issue.<br>>> Not helping.<br>>><br>>> Any ideas how to fix the issue.<br>>> I did a lot of Google.<br>>> Those solutions did not work.<br>>><br>>> Regards,<br>>> Amey.<br>>> _______________________________________________<br>>> plug-mail mailing list<br>>> <a href="mailto:plug-mail@plug.org.in" target="_blank" rel="noreferrer">plug-mail@plug.org.in</a><br>>> <a href="http://list.plug.org.in/listinfo/plug-mail" target="_blank" rel="noreferrer">http://list.plug.org.in/listinfo/plug-mail</a><br>><br>> _______________________________________________<br>> plug-mail mailing list<br>> <a href="mailto:plug-mail@plug.org.in" target="_blank" rel="noreferrer">plug-mail@plug.org.in</a><br>> <a href="http://list.plug.org.in/listinfo/plug-mail" target="_blank" rel="noreferrer">http://list.plug.org.in/listinfo/plug-mail</a></div></div>
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