Mails not getting delivered and in 3rd party site mx & mx2 working fine but mx3 shows Error
| Test | Result | ||
|---|---|---|---|
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SMTP Connect | Failed To Connect |  More Info |
| Session Transcript:
Connecting to 216.52.72.252
1/24/2017 1:55:56 PM Connection attempt #1 - Unable to connect after 15 seconds. [15.01 sec] PWS3v2 15013ms |
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220 mx.zohomail.com SMTP Server ready January 24, 2017 11:57:41 AM PST
| Test | Result | ||
|---|---|---|---|
 |
SMTP Banner Check | Reverse DNS does not match SMTP Banner | More Info |
 |
SMTP Reverse DNS Mismatch | OK - 74.201.154.201 resolves to mx2.zoho.com | |
|
SMTP Valid Hostname | OK - Reverse DNS is a valid Hostname | |
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SMTP TLS | OK - Supports TLS. | |
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SMTP Connection Time | 0.696 seconds - Good on Connection time | |
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SMTP Open Relay | OK - Not an open relay. | |
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SMTP Transaction Time | 2.710 seconds - Good on Transaction Time | |
| Session Transcript:
Connecting to 74.201.154.201
220 mx.zohomail.com SMTP Server ready January 24, 2017 11:57:41 AM PST [645 ms] EHLO PWS3.mxtoolbox.com 250-mx.zohomail.com Hello PWS3.mxtoolbox.com (pws3.mxtoolbox.com (64.20.227.134)) 250-STARTTLS 250 SIZE 53477376 [648 ms] MAIL FROM:< supertool@mxtoolbox.com> 250 Sender < supertool@mxtoolbox.com> OK [647 ms] RCPT TO:< test@example.com> 553 Relaying disallowed [669 ms] PWS3v2 3668ms |
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| reverse lookup | blacklist | port scan | subnet tool |
220 mx.zohomail.com SMTP Server ready January 24, 2017 11:57:05 AM PST
| Test | Result | |
|---|---|---|
|
SMTP Reverse DNS Mismatch | OK - 165.254.168.50 resolves to mx.zoho.com, mx2.zoho.com, mx2.zohomail.com |
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SMTP Valid Hostname | OK - Reverse DNS is a valid Hostname |
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SMTP Banner Check | OK - Reverse DNS matches SMTP Banner |
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SMTP TLS | OK - Supports TLS. |
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SMTP Connection Time | 0.694 seconds - Good on Connection time |
|
SMTP Open Relay | OK - Not an open relay. |
|
SMTP Transaction Time | 2.830 seconds - Good on Transaction Time |
| Session Transcript:
Connecting to 165.254.168.50
220 mx.zohomail.com SMTP Server ready January 24, 2017 11:57:05 AM PST [643 ms] EHLO PWS3.mxtoolbox.com 250-mx.zohomail.com Hello PWS3.mxtoolbox.com (pws3.mxtoolbox.com (64.20.227.134)) 250-STARTTLS 250 SIZE 53477376 [794 ms] MAIL FROM:< supertool@mxtoolbox.com> 250 Sender < supertool@mxtoolbox.com> OK [646 ms] RCPT TO:< test@example.com> 553 Relaying disallowed [649 ms] PWS3v2 4512ms |
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