Problem for sending email from Roundcube and Horde
Hello everyone,
I have problem for sending email from webmail Roundcube and Horde
When I send an email with several recipients (approximately 12) and attach some files of approximately 12 megabytes in total with extensions .xlsx, .pdf and others, it says that the email I get is sent but later I receive a response with the following error.
And in tail -f /var/log/exim_mainlog I have the following log
This only happens when I send attachments to several recipients. I have verified that my IP is not in the SPAM list Use the MX Lookup Tool - Check your DNS MX Records online - MxToolbox tools to verify the reverse DNS and the status of the email server configuration. I would appreciate if you have any ideas about the possible solution of the problem I am having, several days ago I am already trying to solve and I do not find a solution.
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
email-1@hotmail.com
host hotmail-com.olc.protection.outlook.com [104.47.41.33]
SMTP error from remote mail server after end of data:
550 Action not taken
email-2@gmail.com
host gmail-smtp-in.l.google.com [74.125.142.26]
SMTP error from remote mail server after end of data:
550 Action not taken
Reporting-MTA: dns; my.server.net
Action: failed
Final-Recipient: rfc822;email-2@gmail.com
Status: 5.0.0
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550 Action not taken
Action: failed
Final-Recipient: rfc822;email-1@hotmail.com
Status: 5.0.0
Remote-MTA: dns; hotmail-com.olc.protection.outlook.com
Diagnostic-Code: smtp; 550 Action not taken
Return-path:
Received: from [::1] (port=57862 helo=my.server.net)
by my.server.net with esmtpa (Exim 4.91)
(envelope-from )
id 1gtlM6-0003q2-IC; Wed, 13 Feb 2019 00:37:03 -0300
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="=_0aa43efcd0af640c6cfe9b0927c5f694"
Date: Wed, 13 Feb 2019 00:37:02 -0300
From: my-email@mydomain.com
To: email-2@gmail.com
Subject: My Subject for this email
Message-ID: <9d8d1a33787bb3f557fc3d292c61042e@mydomain.com>
X-Sender: my-email@mydomain.com
User-Agent: Roundcube Webmail/1.3.6
X-Exim-DSN-Information: Due to administrative limits only headers are returnedAnd in tail -f /var/log/exim_mainlog I have the following log
2019-02-13 00:37:02 SMTP connection from [::1]:57862 (TCP/IP connection count = 1)
2019-02-13 00:37:03 1gtlM6-0003q2-IC <= my-email@mydomain.com H=(my.server.net) [::1]:57862 P=esmtpa A=dovecot_login:my-email@mydomain.com S=10534706 id=9d8d1a33787bb3f557fc3d292c61042e@mydomain.com T="My Subject for this email" for email-1@hotmail.com email-2@hotmail.com email-3@gmail.com email-4@other-domain.com
2019-02-13 00:37:03 SMTP connection from (my.server.net) [::1]:57862 closed by QUIT
2019-02-13 00:37:03 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1gtlM6-0003q2-IC
2019-02-13 00:37:03 1gtlM6-0003q2-IC Sender identification U=mi_cpanel_user D=mydomain.com S=my-email@mydomain.com
2019-02-13 00:37:03 1gtlM6-0003q2-IC SMTP connection outbound 1550029023 1gtlM6-0003q2-IC mydomain.com email-1@hotmail.com
2019-02-13 00:37:03 1gtlM6-0003q2-IC Sender identification U=mi_cpanel_user D=mydomain.com S=my-email@mydomain.com
2019-02-13 00:37:03 1gtlM6-0003q2-IC SMTP connection outbound 1550029023 1gtlM6-0003q2-IC mydomain.com email-1@hotmail.com
2019-02-13 00:37:06 1gtlM6-0003q2-IC ** email-1@gmail.com R=dkim_lookuphost T=dkim_remote_smtp H=gmail-smtp-in.l.google.com [74.125.142.26]: SMTP error from remote mail server after end of data: 550 Action not taken
2019-02-13 00:37:07 1gtlM6-0003q2-IC ** email-2@hotmail.com R=dkim_lookuphost T=dkim_remote_smtp H=hotmail-com.olc.protection.outlook.com [104.47.41.33]: SMTP error from remote mail server after end of data: 550 Action not taken
2019-02-13 00:37:07 cwd=/var/spool/exim 7 args: /usr/sbin/exim -t -oem -oi -f <> -E1gtlM6-0003q2-IC
2019-02-13 00:37:08 1gtlMB-0003qN-TH <= <> R=1gtlM6-0003q2-IC U=mailnull P=local S=2458 T="Mail delivery failed: returning message to sender" for my-email@mydomain.com
2019-02-13 00:37:08 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1gtlMB-0003qN-TH
2019-02-13 00:37:08 1gtlM6-0003q2-IC Completed
2019-02-13 00:37:08 1gtlMB-0003qN-TH => my-email R=virtual_user T=dovecot_virtual_delivery C="250 2.0.0 QMHTAuSQY1ywOQAA43mkzA Saved"
2019-02-13 00:37:08 1gtlMB-0003qN-TH CompletedThis only happens when I send attachments to several recipients. I have verified that my IP is not in the SPAM list Use the MX Lookup Tool - Check your DNS MX Records online - MxToolbox tools to verify the reverse DNS and the status of the email server configuration. I would appreciate if you have any ideas about the possible solution of the problem I am having, several days ago I am already trying to solve and I do not find a solution.
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Hello @wainux What is the attachment type you're sending and how many recipients? In both of these cases, it would appear that the remote server is rejecting your mail which would lead me to believe the issue is either related to the type of attachment you're sending or the number of recipients you're sending to. In the example, you showed it looks like it's only 2 recipients. 0 -
Hi @wainux Have you discussed this with the data center provider at all? From what I see the mail leaves your server and is rejected remotely. Since this isn't standard behavior the DC may have some insight. 0
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