PsPing v2.10 – PsPing – ping, latency, bandwidth measurement utility
Copyright (C) 2012-2016 Mark Russinovich
Sysinternals –
TCP connect to
5 iterations (warmup 1) ping test:
Connecting to (warmup): from 275.01ms
Connecting to from 250.35ms
Connecting to from 249.04ms
Connecting to from 248.66ms
Connecting to from 248.95ms



(connect to []:25: Connection timed out)


  • 尝试telnet自己的25端口,正常
  • 尝试telnet外部的邮件服务器25端口,失败
  • 尝试telnet外部的网页服务器80端口,正常


Do you allow outbound SMTP?

In some instances, outbound traffic to the SMTP port may be blocked for new accounts. If you encounter this restriction, contact our support team from the customer portal.


Eric Van Trease Vultr Staff 2017-12-07 09:29:47 Hello,

Thank you for your SMTP unblock request!

SMTP ports are blocked by default on all new Vultr Accounts and clients are asked to request removing the block off their accounts as needed.

This appears to be related to an Account Management issue. The Technical Support group does not have access to make account changes so we must now transfer this ticket to the Account Management group for attention.

Please note the Account Management group’s regular hours are approximately 9AM to 5PM US eastern daily. While they do their best to resolve any account-related issues in a timely manner, this will take some time. We thank you in advance for your patience.

In order to expedite this case, please be sure to reply to this ticket with the following information:

  1. The business name and organization URL(s) under which you offer services.
  2. Describe, in as much detail as possible, the nature of the emails you intend to send.
  3. The volume of email that you plan to deliver on a regular basis.

We need to know this in order to make an informed decision regarding your account settings and resource limits to ensure the integrity of our network/systems/online reputation.

If you feel I missed something technical, please refer to this Ticket ID in a new request and we will be sure to follow up.

Eric Van Trease
System Administrator



Melissa Biondi Vultr Staff 2017-12-08 02:40:46 Hello,

Thank you for sharing your intentions.

We have removed the default SMTP block on your account.
Please restart any active instances via for the change to take effect (restarting via the server itself will_not work).

Please note that any bulk mail is strictly forbidden on our network. Thank you for understanding.
For reference, our ANTI-SPAM policy is listed here:

If you have any additional questions our team is happy to assist you further. Thank you for choosing Vultr!

Kind Regards,
Mel B.
Customer Support



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