Dear Pak Syafril,

mohon bantuannya, email kami tidak bisa masuk ke Gmail.
berikut log SMTP out nya:

Fri 2023-05-19 15:06:04.013: ----------Fri 2023-05-19 15:07:45.682: [18593074] 
REMOTE message: pd3501001825823.msgFri 2023-05-19 15:07:45.682: [18593074] *  
Session 18593074; child 0001Fri 2023-05-19 15:07:45.682: [18593074] *  From: 
irwan@mandau.idFri 2023-05-19 15:07:45.682: [18593074] *  To: 
charlie.japadermawan@gmail.comFri 2023-05-19 15:07:45.682: [18593074] *  
Subject: RE: Domain names expiring on Thursday, May 25, 2023Fri 2023-05-19 
15:07:45.682: [18593074] *  Message-ID: 
<012101d98a29$8a2764b0$9e762e10$@mandau.id>Fri 2023-05-19 15:07:45.682: 
[18593074] *  Size: 38065; <c:\mdaemon\queues\remote\pd3501001825823.msg>Fri 
2023-05-19 15:07:45.684: [18593074] Resolving MX record for gmail.com (DNS 
Server: 203.142.84.222)...Fri 2023-05-19 15:07:45.709: [18593074] *  P=005 
S=002 D=gmail.com TTL=(21) MX=[gmail-smtp-in.l.google.com]Fri 2023-05-19 
15:07:45.709: [18593074] *  P=010 S=000 D=gmail.com TTL=(21) 
MX=[alt1.gmail-smtp-in.l.google.com]Fri 2023-05-19 15:07:45.709: [18593074] *  
P=020 S=003 D=gmail.com TTL=(21) MX=[alt2.gmail-smtp-in.l.google.com]Fri 
2023-05-19 15:07:45.709: [18593074] *  P=030 S=001 D=gmail.com TTL=(21) 
MX=[alt3.gmail-smtp-in.l.google.com]Fri 2023-05-19 15:07:45.709: [18593074] *  
P=040 S=004 D=gmail.com TTL=(21) MX=[alt4.gmail-smtp-in.l.google.com]Fri 
2023-05-19 15:07:45.709: [18593074] Attempting SMTP connection to 
gmail-smtp-in.l.google.comFri 2023-05-19 15:07:45.709: [18593074] Resolving A 
record for gmail-smtp-in.l.google.com (DNS Server: 203.142.84.222)...Fri 
2023-05-19 15:07:45.734: [18593074] *  D=gmail-smtp-in.l.google.com TTL=(3) 
A=[74.125.68.27]Fri 2023-05-19 15:07:45.734: [18593074] Attempting SMTP 
connection to 74.125.68.27:25Fri 2023-05-19 15:07:45.734: [18593074] Waiting 
for socket connection...Fri 2023-05-19 15:07:45.749: [18593074] *  Connection 
established 117.102.89.155:52652 --> 74.125.68.27:25Fri 2023-05-19 
15:07:45.749: [18593074] Waiting for protocol to start...Fri 2023-05-19 
15:07:45.931: [18593074] <-- 220 mx.google.com ESMTP 
24-20020a631258000000b00524d1d335bbsi2672325pgs.56 - gsmtpFri 2023-05-19 
15:07:45.932: [18593074] --> EHLO mail.mandau.idFri 2023-05-19 15:07:46.106: 
[18593074] <-- 250-mx.google.com at your service, [112.78.191.82]Fri 2023-05-19 
15:07:46.106: [18593074] <-- 250-SIZE 157286400Fri 2023-05-19 15:07:46.106: 
[18593074] <-- 250-8BITMIMEFri 2023-05-19 15:07:46.106: [18593074] <-- 
250-STARTTLSFri 2023-05-19 15:07:46.106: [18593074] <-- 
250-ENHANCEDSTATUSCODESFri 2023-05-19 15:07:46.106: [18593074] <-- 
250-PIPELININGFri 2023-05-19 15:07:46.106: [18593074] <-- 250-CHUNKINGFri 
2023-05-19 15:07:46.106: [18593074] <-- 250 SMTPUTF8Fri 2023-05-19 
15:07:46.106: [18593074] --> MAIL From:<ir...@mandau.id> SIZE=38065Fri 
2023-05-19 15:07:46.275: [18593074] <-- 250 2.1.0 OK 
24-20020a631258000000b00524d1d335bbsi2672325pgs.56 - gsmtpFri 2023-05-19 
15:07:46.276: [18593074] --> RCPT To:<charlie.japaderma...@gmail.com>Fri 
2023-05-19 15:07:46.708: [18593074] <-- 250 2.1.5 OK 
24-20020a631258000000b00524d1d335bbsi2672325pgs.56 - gsmtpFri 2023-05-19 
15:07:46.708: [18593074] --> DATAFri 2023-05-19 15:07:46.877: [18593074] <-- 
354  Go ahead 24-20020a631258000000b00524d1d335bbsi2672325pgs.56 - gsmtpFri 
2023-05-19 15:07:46.877: [18593074] Sending 
<c:\mdaemon\queues\remote\pd3501001825823.msg> to [74.125.68.27]Fri 2023-05-19 
15:07:46.877: [18593074] Transfer CompleteFri 2023-05-19 15:07:47.276: 
[18593074] <-- 550-5.7.25 [112.78.191.82] The IP address sending this message 
does not have aFri 2023-05-19 15:07:47.276: [18593074] <-- 550-5.7.25 PTR 
record setup, or the corresponding forward DNS entry does notFri 2023-05-19 
15:07:47.276: [18593074] <-- 550-5.7.25 point to the sending IP. As a policy, 
Gmail does not accept messagesFri 2023-05-19 15:07:47.276: [18593074] <-- 
550-5.7.25 from IPs with missing PTR records. Please visitFri 2023-05-19 
15:07:47.276: [18593074] <-- 550-5.7.25  
https://support.google.com/mail/answer/81126#ip-practices for moreFri 
2023-05-19 15:07:47.276: [18593074] <-- 550 5.7.25 information. 
24-20020a631258000000b00524d1d335bbsi2672325pgs.56 - gsmtpFri 2023-05-19 
15:07:47.276: [18593074] --> QUITFri 2023-05-19 15:07:47.277: [18593074] 
Attempting to send message to smart hostFri 2023-05-19 15:07:47.277: [18593074] 
Attempting SMTP connection to smtp.biz.net.idFri 2023-05-19 15:07:47.277: 
[18593074] Resolving A record for smtp.biz.net.id (DNS Server: 
203.142.84.222)...Fri 2023-05-19 15:07:47.302: [18593074] *  D=smtp.biz.net.id 
TTL=(6) A=[137.59.125.45]Fri 2023-05-19 15:07:47.302: [18593074] Attempting 
SMTP connection to 137.59.125.45:25Fri 2023-05-19 15:07:47.302: [18593074] 
Waiting for socket connection...Fri 2023-05-19 15:07:47.306: [18593074] *  
Connection established 117.102.89.155:52653 --> 137.59.125.45:25Fri 2023-05-19 
15:07:47.306: [18593074] Waiting for protocol to start...Fri 2023-05-19 
15:07:47.319: [18593074] <-- 220 smtp6.biz.net.id ESMTP smtp.biz.net.idFri 
2023-05-19 15:07:47.321: [18593074] --> EHLO mail.mandau.idFri 2023-05-19 
15:07:47.324: [18593074] <-- 250-smtp6.biz.net.idFri 2023-05-19 15:07:47.324: 
[18593074] <-- 250-PIPELININGFri 2023-05-19 15:07:47.324: [18593074] <-- 
250-SIZE 15728640Fri 2023-05-19 15:07:47.324: [18593074] <-- 250-VRFYFri 
2023-05-19 15:07:47.324: [18593074] <-- 250-ETRNFri 2023-05-19 15:07:47.324: 
[18593074] <-- 250-STARTTLSFri 2023-05-19 15:07:47.324: [18593074] <-- 
250-ENHANCEDSTATUSCODESFri 2023-05-19 15:07:47.324: [18593074] <-- 
250-8BITMIMEFri 2023-05-19 15:07:47.324: [18593074] <-- 250-DSNFri 2023-05-19 
15:07:47.324: [18593074] <-- 250-SMTPUTF8Fri 2023-05-19 15:07:47.324: 
[18593074] <-- 250 CHUNKINGFri 2023-05-19 15:07:47.325: [18593074] --> MAIL 
From:<ir...@mandau.id> SIZE=38065Fri 2023-05-19 15:07:47.329: [18593074] <-- 
250 2.1.0 OkFri 2023-05-19 15:07:47.329: [18593074] --> RCPT 
To:<charlie.japaderma...@gmail.com>Fri 2023-05-19 15:07:47.334: [18593074] <-- 
250 2.1.5 OkFri 2023-05-19 15:07:47.334: [18593074] --> DATAFri 2023-05-19 
15:07:47.338: [18593074] <-- 354 End data with <CR><LF>.<CR><LF>Fri 2023-05-19 
15:07:47.338: [18593074] Sending <c:\mdaemon\queues\remote\pd3501001825823.msg> 
to [137.59.125.45]Fri 2023-05-19 15:07:47.338: [18593074] Transfer CompleteFri 
2023-05-19 15:07:47.357: [18593074] <-- 250 2.0.0 Ok: queued as A776D3C1410Fri 
2023-05-19 15:07:47.358: [18593074] --> QUITFri 2023-05-19 15:07:47.361: 
[18593074] <-- 221 2.0.0 ByeFri 2023-05-19 15:07:47.361: [18593074] SMTP 
session successful (Bytes in/out: 1264/76370)Fri 2023-05-19 15:07:47.361: 
----------

untuk error bounce back nya seperti berikut:

<charlie.japaderma...@gmail.com>:host

   gmail-smtp-in.l.google.com[74.125.130.26] said: 550-5.7.26 This mail is

   unauthenticated, which poses a security risk to the 550-5.7.26 senderand

    Gmail users,and has been blocked. The sender must 550-5.7.26 authenticate

    with at leastone of SPF or DKIM. For this message, 550-5.7.26 DKIM checks

    did not passand SPF check for [mandau.id] did not pass 550-5.7.26 with ip:

   [113.11.182.16]. The sender should visit 550-5.7.26

    https://support.google.com/mail/answer/81126#authenticationfor 550 5.7.26

    instructions onsetting up authentication.

   t189-20020a6381c6000000b0053489d58e12si1004128pgd.772 - gsmtp (in replyto

    end of DATAcommand)

mohon pencerahannya

terima kasih atas bantuannya.

Best Regards

IRWAN R. JAZIR



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