Knowledgebase

The knowledgebase is organized into different categories. Either choose a category from below or search the knowledgebase for the answer to your question.

Articles

1. Why my emails are going to the spam folder?

Unfortunately it can happen that your mass mailings end up as spam or are rejected by the recipients' server. Often this is not related to a...
Views: 178988

Yahoo emails in queue with high complain rate error

Having a problem with recipients @Yahoo, Aol.com or Verizon.  Make sure you register your sender domain at Yahoo complaint feedback...
Views: 56976

2. Which email clients are compatible with turboSMTP?

All major email clients are compatible with turboSMTP, including all versions of Microsoft Outlook, Microsoft Vista Mail, Microsoft Outlook...
Views: 217409

3. What types of payment do you accept?

We accept payments from all major credit, debit cards and other circuits; for instance: Visa Mastercard American Express Maestro PayPal...
Views: 289963

4. What is a "dropped" email?

When an email account to which you're sending produces a bounce (most of the times, because it's non-existent), our system puts it...
Views: 128478

5. My VAT number is not recognized when I pay using Avangate. Why?

If you are in a European country and you purchase any service at turboSMTP via 2Checkout (formerly Avangate), it is necessary that your VAT is...
Views: 145975

6. Is the email address with which I signed up the only one that I can use as a sender?

No, not at all. You are free to use any other email address as a sender for your mailings, besides of course the one used to subscribe to...
Views: 120650

7. How can I ask the permission to send a newsletter?

A mass emailing is valid and useful only if it's permission-based. However, you can send a first welcome email also to people who...
Views: 151477

8. How can I cancel the auto-renewal of my plan?

If you have paid via 2Checkout, go to your account page and login with your order number and email, then go to the "My Services" area....
Views: 143553

9. Why is turboSMTP still using the free emails even if I bought a paid plan?

turboSMTP first uses all the email relays provided by the free plan (200/day), which are granted to all users.Then, once these emails are finished,...
Views: 108115

10. Can I pay via wire transfer?

Sure you can. And it's extremely easy: 1. Start the normal purchase procedure, specifying that you're going to pay with a credit...
Views: 122864

11. Can I send a PDF attached to my newsletter with turboSMTP?

Yes, of course.But pay attention: we have observed that if you send your email with Outlook or other email clients by Microsoft, some PDF encoding...
Views: 131384

12. Do I need a Credit Card to activate a Free Trial?

No, our Free Service (6.000 emails/month lifetime) can be quickly activated without any credit card details or payment info. We are happy to...
Views: 151915

13. Do you offer a Free Trial?

Yes, all new registered users will be able to send 6.000 emails per month for free (with a maximum rate of 200 emails per day), with no purchase...
Views: 152723

14. How do I keep track of sent emails?

With turboSMTP you can keep track of everything happens to your sent messages (delivery, bounce, opening, spam complaint etc.).After logging in to...
Views: 268324

15. How many emails can I send in a day? What is the maximum attachment size?

Our server process millions of emails a day, so the number of emails that can be sent within 24 hours is very high. But there are however...
Views: 261407

16. Can I configure my DKIM and SPF to get the highest delivery rates?

Sure you can! In fact, we highly recommend it. It's extremely important to make the most of turboSMTP's services and...
Views: 477169

17. Can I manage my account online?

Yes - in your account management area you will be able to control everything related to your turboSMTP account: Manage your details (personal...
Views: 202814

18. Anti-Spam Policy

At turboSMTP, we are aware of our responsibilities and we are share the concern to protect all Internet citizens' privacy rights. We...
Views: 237165

19. Privacy Policy

Introduction (a) Application of this Privacy Statement This Privacy Statement applies to the website http://www.turbo-smtp.com,...
Views: 255396

18. I want to change my plan. Can I do it?

Absolutely! At any time you can upgrade or downgrade the plan you are currently subscribed to. Just log into your account page, select the "My...
Views: 270530

19. My ISP blocks outgoing mail on port 25. What can I do?

In case port 25 (the default port for SMTP) is blocked you can choose an alternate port. We suggest to use port 587 or 2525 for plain SMTP, and...
Views: 414426

20. Is the Free Trial automatically activated to all new accounts?

All new accounts eligible for the Free Service are reviewed by our staff. You will receive an email notification once your activation is...
Views: 152170

21. I just purchased a monthly plan/prepaid but I can't send emails. Why?

The activation process is not immediate. After registration and payment, you should fill out a short questionnaire which will be sent to you via...
Views: 222138

22. I have renewed my plan, but the email counter hasn't updated yet. Why?

The counter in the dashboard that keeps track of the number of sent messages out of your plan is updated only after having sent an email.Then...
Views: 127371

23. I have more than one email address. Should I open multiple accounts?

No, you just need to create one single account. With turboSMTP you will be able to send emails from any of your email addresses, using the same...
Views: 231281

24. I have made a payment, but the invoice seems still unpaid. What should I do?

The system takes a few minutes to process the payment: simply wait a bit until a confirmation email comes from the gateway that you have...
Views: 133197

25. I cannot configure the DNS of my domain. How can I do?

Configuring the DNS domain of the website from which you send your emails, inserting the SPF and DKIM authentication strings, is a critical step to...
Views: 162709

26. Can I use turboSMTP when I'm travelling abroad/overseas?

Of course, you can keep sending emails with turboSMTP just as you do at home.Set it up once, and it will work perfectly with any broadband, mobile...
Views: 223388

27. The string ”user = @ user.com turbo-smtp.com; On behalf of; <user@userdomain.com>”, appears in recipient's sender field . What does it mean?

This string is not the result of an error. It contains information on the service used to send a particular email.When you use an SMTP service, the...
Views: 232125

29. Terms and Conditions

This website at http://www.serversmtp.com  (the "Site") is owned and operated by Delivery Tech. Corp. ("turboSMTP"). Your access to this Site...
Views: 219579

28. What if I want to cancel my monthly plan?

In order to ensure an uninterrupted service, all monthly plans will be automatically renewed at the end of the plan's Billing Cycle (monthly...
Views: 226648

29. What is the "Standard Service"?

After your turboSMTP account is activated (up to 24/48 hours after purchase) you can start sending emails using the "Standard Service", which does...
Views: 237132

30. What is turboSMTP?

turboSMTP is a professional outgoing mail (SMTP) service that allows you to keep track and send emails with the highest delivery rates, wherever...
Views: 250590

31. How can I submit a support ticket?

There's two way to submit a ticket to get support from our staff. 1. From your Dashboard click on the orange button “Go to Client Area...
Views: 110192

32. How can I get notified of my bounce?

It’s easy: from your Dashboard, click on “Settings” and then “Global Settings”... ... then deflag “Suppress...
Views: 109415

33. Can I use turboSMTP with Outlook or Thunderbird and send a mass email via CC/BCC?

From a technical point of view, you can. But we strongly suggest not to use normal email clients (such as Mozilla Thunderbird, Microsoft Outlook or...
Views: 105489

34. Can I use as a sender a different email address from the one I subscribed with?

Yes, you can: you can put as a sender address whichever email address you want and keep using turboSMTP.Remember anyhow that you must sign up with...
Views: 107528

35. Why my free account has been closed?

turboSMTP cares about the quality of service for all its customers, even those who enjoy a free account. We reserve the right to terminate any free...
Views: 109006

36. How can I change my password?

You can reset your account password in the following few steps: Log in to your dashboard here: https://dashboard.serversmtp.com/loginOnce logged,...
Views: 106735

1. Why my emails are going to the spam folder?
Unfortunately it can happen that your mass mailings end up as spam or are rejected by the...
Views: 178988
Yahoo emails in queue with high complain rate error
Having a problem with recipients @Yahoo, Aol.com or Verizon.  Make sure you register your...
Views: 56976
2. Which email clients are compatible with turboSMTP?
All major email clients are compatible with turboSMTP, including all versions of Microsoft...
Views: 217409
3. What types of payment do you accept?
We accept payments from all major credit, debit cards and other circuits; for instance: Visa...
Views: 289963
4. What is a "dropped" email?
When an email account to which you're sending produces a bounce (most of the times, because...
Views: 128478
5. My VAT number is not recognized when I pay using Avangate. Why?
If you are in a European country and you purchase any service at turboSMTP via 2Checkout...
Views: 145975
6. Is the email address with which I signed up the only one that I can use as a sender?
No, not at all. You are free to use any other email address as a sender for your mailings,...
Views: 120650
7. How can I ask the permission to send a newsletter?
A mass emailing is valid and useful only if it's permission-based. However, you can...
Views: 151477
8. How can I cancel the auto-renewal of my plan?
If you have paid via 2Checkout, go to your account page and login with your order...
Views: 143553
9. Why is turboSMTP still using the free emails even if I bought a paid plan?
turboSMTP first uses all the email relays provided by the free plan (200/day), which are granted...
Views: 108115
10. Can I pay via wire transfer?
Sure you can. And it's extremely easy: 1. Start the normal purchase procedure, specifying...
Views: 122864
11. Can I send a PDF attached to my newsletter with turboSMTP?
Yes, of course.But pay attention: we have observed that if you send your email with Outlook or...
Views: 131384
12. Do I need a Credit Card to activate a Free Trial?
No, our Free Service (6.000 emails/month lifetime) can be quickly activated without any credit...
Views: 151915
13. Do you offer a Free Trial?
Yes, all new registered users will be able to send 6.000 emails per month for free (with a...
Views: 152723
14. How do I keep track of sent emails?
With turboSMTP you can keep track of everything happens to your sent messages (delivery, bounce,...
Views: 268324
15. How many emails can I send in a day? What is the maximum attachment size?
Our server process millions of emails a day, so the number of emails that can be sent within 24...
Views: 261407
16. Can I configure my DKIM and SPF to get the highest delivery rates?
Sure you can! In fact, we highly recommend it. It's extremely important to...
Views: 477169
17. Can I manage my account online?
Yes - in your account management area you will be able to control everything related to your...
Views: 202814
18. Anti-Spam Policy
At turboSMTP, we are aware of our responsibilities and we are share the concern to protect all...
Views: 237165
19. Privacy Policy
Introduction (a) Application of this Privacy Statement This Privacy Statement applies to the...
Views: 255396
18. I want to change my plan. Can I do it?
Absolutely! At any time you can upgrade or downgrade the plan you are currently subscribed to....
Views: 270530
19. My ISP blocks outgoing mail on port 25. What can I do?
In case port 25 (the default port for SMTP) is blocked you can choose an alternate port. We...
Views: 414426
20. Is the Free Trial automatically activated to all new accounts?
All new accounts eligible for the Free Service are reviewed by our staff. You will receive an...
Views: 152170
21. I just purchased a monthly plan/prepaid but I can't send emails. Why?
The activation process is not immediate. After registration and payment, you should fill out a...
Views: 222138
22. I have renewed my plan, but the email counter hasn't updated yet. Why?
The counter in the dashboard that keeps track of the number of sent messages out of your plan is...
Views: 127371
23. I have more than one email address. Should I open multiple accounts?
No, you just need to create one single account. With turboSMTP you will be able to send emails...
Views: 231281
24. I have made a payment, but the invoice seems still unpaid. What should I do?
The system takes a few minutes to process the payment: simply wait a bit until...
Views: 133197
25. I cannot configure the DNS of my domain. How can I do?
Configuring the DNS domain of the website from which you send your emails, inserting the SPF and...
Views: 162709
26. Can I use turboSMTP when I'm travelling abroad/overseas?
Of course, you can keep sending emails with turboSMTP just as you do at home.Set it up once, and...
Views: 223388
27. The string ”user = @ user.com turbo-smtp.com; On behalf of; <user@userdomain.com>”, appears in recipient's sender field . What does it mean?
This string is not the result of an error. It contains information on the service used to send a...
Views: 232125
29. Terms and Conditions
This website at http://www.serversmtp.com  (the "Site") is owned and operated by Delivery...
Views: 219579
28. What if I want to cancel my monthly plan?
In order to ensure an uninterrupted service, all monthly plans will be automatically renewed at...
Views: 226648
29. What is the "Standard Service"?
After your turboSMTP account is activated (up to 24/48 hours after purchase) you can start...
Views: 237132
30. What is turboSMTP?
turboSMTP is a professional outgoing mail (SMTP) service that allows you to keep track and send...
Views: 250590
31. How can I submit a support ticket?
There's two way to submit a ticket to get support from our staff. 1. From your Dashboard...
Views: 110192
32. How can I get notified of my bounce?
It’s easy: from your Dashboard, click on “Settings” and then “Global...
Views: 109415
33. Can I use turboSMTP with Outlook or Thunderbird and send a mass email via CC/BCC?
From a technical point of view, you can. But we strongly suggest not to use normal email clients...
Views: 105489
34. Can I use as a sender a different email address from the one I subscribed with?
Yes, you can: you can put as a sender address whichever email address you want and keep using...
Views: 107528
35. Why my free account has been closed?
turboSMTP cares about the quality of service for all its customers, even those who enjoy a free...
Views: 109006
36. How can I change my password?
You can reset your account password in the following few steps: Log in to your dashboard here:...
Views: 106735