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  1. #1
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    ÇáÕæÑÉ ÇáÑãÒíÉ Rise Company
    Engineering and Technology
    ÊÇÑíÎ ÇáÊÓÌíá
    Apr 2014
    ÇáÏæáÉ
    Egypt
    ÇáãÔÇÑßÇÊ
    4,656
    ãÚÏá ÊÞííã ÇáãÓÊæì
    10

    ÇÝÊÑÇÖí Íá ãÔßáÉ SMTP error from remote mail server after end of data: 550 Action not taken


    Íá ãÔßáÉ SMTP error from remote mail server after end of data: 550 Action not taken
    SMTP error from remote mail server after end of data: 550 Action not taken
    ãÔßáÉ Email Forwarder Çáì ÇáÌí ãíá íÕá æáßä ãÚåÇ Mail delivery failed: returning message to sender
    X-From-Rewrite: unmodified, actual sender is mailnull



    ÇáãÔßáÉ :

    ÑÛã æÖÚ PTR ÈÔßá ÕÍíÍ áÇí Èí ÇáÓíÑÝÑ
    ÇáÇ Çäå ÚäÏ ÇáÊÍÞÞ ãäå Ýì ãæÞÚ leafdns.com
    ÊÌÏ ÇÍíÇäÇ íÙåÑ Çäå ãæÌæÏ ÈÔßá ÕÍíÍ
    æÇÍíÇäÇ ÇÎÑí íÞæá áß Çäå ÎØÇ

    æÊÙåÑ ÈæÖæÍ ÇÍíÇäÇ Ýì ÇíãíáÇÊ
    gmail / hotmail / yahoo
    ÊÌÏ Çä ÇáÇíãíá íÕá áß æáßä ãÚå mail delivery failed

    Íá ÇáãÔßáÉ :

    ÇäÊ áÏíß ÇáÓíÑÝÑ ÈÜ 2 Çí Èí IP íÌÈ ÖÈØ PTR áßáÇåãÇ
    Çì Þã ÖÈØ ptr ááÇí Èì ÇáÇæá ns1 æßÐáß ÇáÇí Èí ÇáËÇäí ns2
    íãßäß ÇáÊÍÞÞ ãä åäÇ
    https://www.whatsmydns.net/#PTR/

    ãÚ ÇáÚáã Çäå áÇ íÊã ãä ÎáÇáß Çì áíÓ áÚ ÇÚÏÇÏ ÏÇÎá whm
    æáßä ÈíÊã ÇáÊæÇÕá ãÚ ãÞÏã IP ááÓíÑÝÑ æØáÈ Ðáß ãäå
    Ýåæ ÇáæÍíÏ ÇáÐì áå ÕáÇÍíÉ PTR

    ÊÇßÏ ÇíÖÇ Çä ÓíÑÝÑ ãËá ÇáÊÇáì




    * ãáÍæÙÉ áã ÊÍá ÇáãÔßáÉ ÍÊì ÇáÇä
    ÌãíÚ ÇáÍáæá åäÇ ãÍÇæáÇÊ ÝÞØ

    ÇáãÑÌÚ:
    https://bloggymcblogface.blog/smtp-e...ion-not-taken/
    http://www.leafdns.com/
    https://www.whatsmydns.net/#PTR/
    https://forums.cpanel.net/threads/al...g-time.640785/

    ------------------------------------------------------------------------
    ÔÑßÉ ÑÇíÒ ááåäÏÓÉ æ ÇáÊßäæáæÌíÇ Rise Company for Engineering & Technology
    ------------------------------------------------------------------------
    Web Hosting | Web Designing | E-Marketing

    ÑÞã # 1 Ýì ÎÏãÇÊ ÇáÔÑßÇÊ Business Services

    ÇÓÊÖÇÝÉ ãæÇÞÚ Web Hosting - Úãá Çíãíá ÔÑßÉ Business Emails

    ÊÕãíã ãæÞÚ ÔÑßÉ Web Design - ÊÓæíÞ ÇáßÊÑæäì Úáì ÌæÌá Google Adwords

    www.rise.company | www.rise.company/emails

    ãáÍæÙÉ : ÌãíÚ ÎÏãÇÊäÇ ãÎÕÕÉ ááÔÑßÇÊ ÝÞØ æÛíÑ ãÊÇÍÉ ááÇÝÑÇÏ
    æáíÓ áäÇ Çì ãäÊÌÇÊ Çæ ÕíÇäÉ äåÇÆíÇ! íÑÌì ÇáÇäÊÈÇå Çáì Ðáß.



  2. #2
    Status
    Offline
    ÇáÕæÑÉ ÇáÑãÒíÉ Rise Company
    Engineering and Technology
    ÊÇÑíÎ ÇáÊÓÌíá
    Apr 2014
    ÇáÏæáÉ
    Egypt
    ÇáãÔÇÑßÇÊ
    4,656
    ãÚÏá ÊÞííã ÇáãÓÊæì
    10

    ÇÝÊÑÇÖí ÑÏ: Íá ãÔßáÉ SMTP error from remote mail server after end of data: 550 Action not tak

    åäÇ ÈÚÖ ÇáÍáæá ÇáÇÖÇÝÉ æáßä áíÓÊ Íá ááãÔßáÉ
    æáßä ÞÏ ÊÝíÏ Ýì ÍÇáÇÊ ãÚíäÉ

    ------------------------------

    ÏÇÎá ÇáÓí ÈÇäíá íæÌÏ ÎÇÕíÉ Email Forwarder ÚäÏ ÊÝÚíáåÇ áßì ÊæÌå ÇáÇíãíáÇÊ Çáì Çíãíá Úáì gmail
    íÕá ÇáÇíãíá ÈÏæä ãÔÇßá æáßä íÇÊì ãÚåÇ Çíãíá ÇÎÑ Mail delivery failed: returning message to sender
    æÈÏÇÎá ÇáÇíãíá Çä ÇáÎØÇ SMTP error from remote mail server after end of data: 550 Action not taken

    Úáì ÇáÑÛã Çä Email Routing ãÖÈæØ Úáì Local Mail Exchanger æáíÓ Remote



    Úáì ÇáÑÛã Çä Email Deliverability íÚØì ãÄÔÑ Çä ÇáÇÚÏÇÏÇÊ ÓáíãÉ





    Íá ÇáãÔßáÉ :

    Þã ÇæáÇ ÈÇÑÓÇá Çíãíá test ÝÇÖì ÈÏæä ãÑÝÞÇÊ æÝì ÇáÛÇáÈ åÊÌÏ Çä ÇáÇíãíá æÕá
    æåäÇ åÊßæä ÇáãÔßáÉ Çä ÇáÇíãíá ÇáãÑÓá áå Úáì ÌæÌá Ýì ÇáÛÇáÈ æÇáÝáÊÑ áÏíåã
    íÑÝÖ æÕæá Çíãíáß ÈÓÈÈ Çä ÇáãÑÝÞÇÊ attachments ãä pdf ãÔÈæå Çäå ÓÈÇã
    áÐáß Þã ÈÚãá rename ÝÞØ ááãáÝ æÇÚÏ ÇáÇÑÓÇá æåíæÕáß

    Ýì ÍÇáÉ ÙåæÑ ÇáÎØÇ ÚäÏ ÇÑÓÇá ÇáÇíãíá ÈÏæä ãÑÝÞÇÊ ÇÊÈÚ ÇáÍá ÇáÊÇáì

    Have you set up a new mail server, configured DKIM and SPF correctly, but for some reason you still have email being intermittently rejected when forwarding to Gmail and other services with messages that are unhelpful like: –
    SMTP error from remote mail server after end of data: 550 Action not taken
    If that’s the case, you may need to set up a DNS PTR record for your mail server’s IP address. It appears that, depending on the circumstances of the forwarded email and the domain performing the forwarding, this step is crucial to ensure smooth email forwarding delivery.
    Of course, you should ensure that the PTR record IP address and hostname match what you see in the SMTP header.



    Update 31st Oct 2018:
    Since writing this article a few days ago, I encountered some further issues with reliable mail delivery, specifically through Exim on cPanel.
    Normally, when configuring forwarding, you should also enable SRS (Sending Rewriting Scheme), which adds additional information to the mail headers to inform the receiving MTA that the email has been forwarded and “signed” by the forwarding MTA (in my case, Exim on a cPanel/centOS installation).
    While this was enabled in the Exim config, I did not realise that it wasn’t actually operating correctly.
    Below is what you SHOULD see when SRS is operating correctly (forwarding to a Gmail account): –
    Received-SPF: pass (google.com: domain of srs0=lu0ygv=nl=senderoriginaldomain.com=senderfirs [email protected] designates <your MTA IP> as permitted sender) client-ip=<your MTA IP>;
    Authentication-Results: mx.google.com;
    dkim=pass [email protected] header.s=default header.b=HnochmZG;
    dkim=pass [email protected] header.s=default header.b=C8B9JAt8;
    spf=pass (google.com: domain of srs0=lu0ygv=nl=senderoriginaldomain.com=senderfirs tpartemail@yourforwardingdomain designates <your MTA IP> as permitted sender) smtp.mailfrom=”SRS0=Lu0yGv=NL=senderoriginaldomain [email protected]”;
    Here’s what it looks like WITHOUT SRS (again, forwarding to a Gmail account): –
    Received-SPF: fail (google.com: domain of [email protected] does not designate <your MTA IP> as permitted sender) client-ip=<your MTA IP>;
    Authentication-Results: mx.google.com;
    spf=fail (google.com: domain of [email protected] does not designate <your MTA IP> as permitted sender) smtp.mailfrom=senderfirstpartemail@senderoriginald omain.com;
    dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=senderoriginaldomain.com
    As you can see, in the SRS example, the sender information is modified to include information about the forwarding domain (i.e. your domain) so that it is clear that your MTA is not trying to forge or spoof the original sender’s domain.
    In my case, SRS was turned on properly, however it seems that the cPanel archiving functionality was somehow breaking this on the version of cPanel that I was running. As a workaround, I will be disabling email archiving to ensure that SRS is applied to my forwarded messages and applying any cPanel updates as they are released that will hopefully resolve the issue.

    Final Update 3rd November 2018:
    Further to my last update, it seems that I had another factor contributing to this issue – Namecheap (my previous provider) had been intercepting my SMTP traffic through the use of a transparent SMTP proxy of some description (they were not forthcoming with information).
    It seems that this was also causing mail delivery issues that were causing the likes of Gmail and Microsoft to return 550 back to my server after transmitting messages.
    After unsuccessfully attempting to persuade Namecheap to allow me to bypass this technology, I have moved to a new VPS provider and my emails are again being delivered perfectly.

    -----------------------------------

    Íáæá ÝÔáÊ
    updating “Send mail from the account’s IP address” from “On” to “Off”

    -----
    ÏÇÎá ÝÇíÑææá csf

    PACKET_FILTER =
    Off
    Perform reverse DNS lookups on IP addresses. See also CC_LOOKUPS

    -----
    LF_QUEUE_ALERT = 0
    Email Routing Configuration
    -----

    ÏÇÎá whm

    • Home /
    • DNS Functions /
    • Email Routing Configuration

    The lowest numbered MX entry currently points to: ns2.rose-eg.com
    Email Routing for “ns2.rrrrr.com” (The domain is owned by “nobody”).

    ÇÎÊÑ
    Local Mail Exchanger
    áá
    ns1.rrrrr.com
    ns2.rrrrr.comserver.rrrrr.com
    rrrrr.com





    ------------------------------------------------------------------------
    ÔÑßÉ ÑÇíÒ ááåäÏÓÉ æ ÇáÊßäæáæÌíÇ Rise Company for Engineering & Technology
    ------------------------------------------------------------------------
    Web Hosting | Web Designing | E-Marketing

    ÑÞã # 1 Ýì ÎÏãÇÊ ÇáÔÑßÇÊ Business Services

    ÇÓÊÖÇÝÉ ãæÇÞÚ Web Hosting - Úãá Çíãíá ÔÑßÉ Business Emails

    ÊÕãíã ãæÞÚ ÔÑßÉ Web Design - ÊÓæíÞ ÇáßÊÑæäì Úáì ÌæÌá Google Adwords

    www.rise.company | www.rise.company/emails

    ãáÍæÙÉ : ÌãíÚ ÎÏãÇÊäÇ ãÎÕÕÉ ááÔÑßÇÊ ÝÞØ æÛíÑ ãÊÇÍÉ ááÇÝÑÇÏ
    æáíÓ áäÇ Çì ãäÊÌÇÊ Çæ ÕíÇäÉ äåÇÆíÇ! íÑÌì ÇáÇäÊÈÇå Çáì Ðáß.



  3. #3
    Status
    Offline
    ÇáÕæÑÉ ÇáÑãÒíÉ Rise Company
    Engineering and Technology
    ÊÇÑíÎ ÇáÊÓÌíá
    Apr 2014
    ÇáÏæáÉ
    Egypt
    ÇáãÔÇÑßÇÊ
    4,656
    ãÚÏá ÊÞííã ÇáãÓÊæì
    10

    ÇÝÊÑÇÖí ÑÏ: Íá ãÔßáÉ SMTP error from remote mail server after end of data: 550 Action not tak

    Exim by default listens on 587, allowing mail clients to connect over this port. The issue you're experiencing occurs when your provider closes port 25 but exim is not listening on an alternate port. You can change this by going to WHM>>Service Configuration>>Service Manager and select Exim Mail Server (on another port) and allow port 26.
    ------------------------------------------------------------------------
    ÔÑßÉ ÑÇíÒ ááåäÏÓÉ æ ÇáÊßäæáæÌíÇ Rise Company for Engineering & Technology
    ------------------------------------------------------------------------
    Web Hosting | Web Designing | E-Marketing

    ÑÞã # 1 Ýì ÎÏãÇÊ ÇáÔÑßÇÊ Business Services

    ÇÓÊÖÇÝÉ ãæÇÞÚ Web Hosting - Úãá Çíãíá ÔÑßÉ Business Emails

    ÊÕãíã ãæÞÚ ÔÑßÉ Web Design - ÊÓæíÞ ÇáßÊÑæäì Úáì ÌæÌá Google Adwords

    www.rise.company | www.rise.company/emails

    ãáÍæÙÉ : ÌãíÚ ÎÏãÇÊäÇ ãÎÕÕÉ ááÔÑßÇÊ ÝÞØ æÛíÑ ãÊÇÍÉ ááÇÝÑÇÏ
    æáíÓ áäÇ Çì ãäÊÌÇÊ Çæ ÕíÇäÉ äåÇÆíÇ! íÑÌì ÇáÇäÊÈÇå Çáì Ðáß.



  4. #4
    Status
    Offline
    ÇáÕæÑÉ ÇáÑãÒíÉ Rise Company
    Engineering and Technology
    ÊÇÑíÎ ÇáÊÓÌíá
    Apr 2014
    ÇáÏæáÉ
    Egypt
    ÇáãÔÇÑßÇÊ
    4,656
    ãÚÏá ÊÞííã ÇáãÓÊæì
    10

    ÇÝÊÑÇÖí ÑÏ: Íá ãÔßáÉ SMTP error from remote mail server after end of data: 550 Action not tak

    Same exact problems here (and I dont see a more recent thread).

    It looks to me like this is a cached response as I dont even see a delivery attempt, just instafail at 'lookuphost' without a reason. I do not think this is a resolver problem, I can look stuff up no problem, and ping it (careful, host(1) ignores /etc/hosts, so could be something hidden in there, not in my case), but I do not get a proper error response

    Code:
    2019-05-23 12:43:50 cwd=/tmp 4 args: send-mail -i -- [email protected]
    2019-05-23 12:43:50 1hTqoo-0007EE-LC <= [email protected] U=root P=local S=517 T="test" for [email protected]
    2019-05-23 12:43:50 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1hTqoo-0007EE-LC
    2019-05-23 12:43:50 1hTqoo-0007EE-LC ** [email protected] R=lookuphost T=remote_smtp: all hosts for 'mydomain.com' have been failing for a long time (and retry time not reached)
    2019-05-23 12:43:51 cwd=/var/spool/exim 7 args: /usr/sbin/exim -t -oem -oi -f <> -E1hTqoo-0007EE-LC
    2019-05-23 12:43:51 1hTqop-0007EN-0G <= <> R=1hTqoo-0007EE-LC U=mailnull P=local S=1866 T="Mail delivery failed: returning message to sender" for [email protected]

    I can telnet to the mx record for the mydomain.com above port 25 no problem.

    How do I force it to try again to see what the actual failing reason is? Setting log_selector to +all doesnt help with any additional detail.

    [EDIT] *SOLVED*

    Never saw this mentioned in the few threads about this problem here.

    Code:
    ßæÏ:
    
    
    ßæÏ:
    cd /var/spool/exim/db
    rm wait-dkim_remote_smtp* retry* wait-remote_smtp*
    service exim restart
    And then new and queued mail got sent out (because whatever other underlying problem I had solved earlier with another change, but somehow exim didnt get told about it despite having restarted it a few times to increase logging or other reasons).

    https://forums.cpanel.net/threads/dkim_lookuphost-issue.606047/


    ------------------------------------------------------------------------
    ÔÑßÉ ÑÇíÒ ááåäÏÓÉ æ ÇáÊßäæáæÌíÇ Rise Company for Engineering & Technology
    ------------------------------------------------------------------------
    Web Hosting | Web Designing | E-Marketing

    ÑÞã # 1 Ýì ÎÏãÇÊ ÇáÔÑßÇÊ Business Services

    ÇÓÊÖÇÝÉ ãæÇÞÚ Web Hosting - Úãá Çíãíá ÔÑßÉ Business Emails

    ÊÕãíã ãæÞÚ ÔÑßÉ Web Design - ÊÓæíÞ ÇáßÊÑæäì Úáì ÌæÌá Google Adwords

    www.rise.company | www.rise.company/emails

    ãáÍæÙÉ : ÌãíÚ ÎÏãÇÊäÇ ãÎÕÕÉ ááÔÑßÇÊ ÝÞØ æÛíÑ ãÊÇÍÉ ááÇÝÑÇÏ
    æáíÓ áäÇ Çì ãäÊÌÇÊ Çæ ÕíÇäÉ äåÇÆíÇ! íÑÌì ÇáÇäÊÈÇå Çáì Ðáß.



ÇáãæÇÖíÚ ÇáãÊÔÇÈåå

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    ÈæÇÓØÉ Rise Company Ýí ÇáãäÊÏì ÞÓã ÇáÇíãíáÇÊ Emails
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