How to Choose the Right SMTP Service for Email Marketing
You can use EasyMail7 as a powerful front-end to email delivery vendors and SMTP relays. It enables you to effectively manage delivery INHOUSE or outsource it to multiple providers like Amazon SES, Mailgun, SparkPost, SendGrid, etc. You can quickly switch email sending services without losing your contact list, autoresponders, and other data.
You can segment your list by country, ISP or other factors and send from the SMTP or delivery service with the best deliverability – and the best chance for optimal revenue — to each segment.
There are multiple options to choose an SMTP relay or delivery service from:
free SMTP server (Gmail, Yahoo, AOL and others)
self-hosted or rented server (dedicated or VPS)
SMTP Server of Your ISP
ISPs often put email sending restrictions to control the level of email traffic being processed and ensure that their SMTP server will be available to support all of its users whenever they need to send email and to prevent spam from being sent through their system. Email sending limits establish a control to keep everything moving along smoothly.
So, using the ISP SMTP server is ok while you have a small email list. However, you'll want to visit your ISP's website and read their Acceptable Use Policy, Terms of Service, etc. to find out how many emails you can send. You'll find the list of the SMTP servers of the major Internet Service Providers at the end of this article.
Below are the email sending limits of some ISPs.
– 100 recipients per email (Bcc:)
AT&T Yahoo email sending guidelines
– Open to the discretion of BellSouth
– Senders should contact with requirements
– 1,000 emails per day (per IP)
RoadRunner email sending guidelines
– 1,000 recipients per day
Earthlink email sending guidelines
– No limits published by Cox
Cox email sending guidelines
Cox states that “Specific email sending limits are not published because they vary from time to time depending on a variety of factors.” Senders are advised to contact Cox prior to sending high-volume email campaigns.
– 50 emails per hour
Charter Postmaster Services
Free SMTP Server
Many web-based email services such as Gmail, AOL, Yahoo, Hotmail support SMTP protocol, so you can use their SMTP server in G-Lock EasyMail7 to send newsletters. However, a free SMTP server for sending mass emails is not the best choice for two reasons: 1) just like ISPs, free webmail services have restrictions (usually 100-200 emails per day) for outgoing email, and 2) they watch your bounce rate carefully. If it's high, your account is blocked.
Below are the email sending limits of free email services.
– 500 emails per day when sending from their web interface
– 100 emails per day when sending from a desktop email client
Gmail email sending guidelines
Windows Live Hotmail:
– 100 emails per day
Windows Live Hotmail email sending guidelines
– 100 emails per hour
Yahoo email sending guidelines
– 100 recipients per email (Bcc:)
– 500 emails per connection
AOL email sending guidelines
Many email marketers and business own a website and email addresses like firstname.lastname@example.org. If you are like them, you can use the SMTP server that comes with your hosting plan to send emails to people who sign up for your newsletters. Just like ISPs and free web-based email services, some hosting providers have email sending restrictions. So, visit your hosting provider website to read their email sending policy or contact them and ask if any sending restrictions exist for your plan.
Below are the email sending limits of some hosting providers.
– No limits for messages complying with the RackSpace Acceptable Use Policy
– 1 message ever minute with a 10 second pause between messages
– 500 emails per 30 minutes
– 500 emails maximum per hour
– Contact Bluehost to arrange for extension on the default limit
Bluehost email sending guidelines
– 10 emails per second
Homestead email sending guidelines
Commercial SMTP Services and Senders
Some companies specialize in providing SMTP servers. Typically they offer monthly plans based on the number of emails you need to send. But some companies such as Amazon SES have a “pay as you go” policy. And most of them have a free plan so you can test several email senders before deciding which one is the best for your needs. In G-Lock EasyMail7 you can use the SMTP settings of any email service or sender.
Check this comparison chart to choose an SMTP service or sender for email marketing.
|Email Service||Free Plan||Pricing|
|SparkPost||100,000 emails/month||$9/month for 50,000 emails|
$249/month for 500,000 emails
|Mailjet||6,000 emails/month, |
|$9.65/month for 30,000 emails|
$166.95/month for 450,000 emails
|Mailgun||10,000 emails/month||$79/month for 100,000 emails|
$325/month for 500,000 emails
|SendGrid||40,000 emails for 30 days|
and 100 emails/day free forever
|$9.95/month for up to 100,000 emails|
$79.95/month for 100,000 – 1,5 million emails
|SMTP.com||no free plan,|
30 day money back
|$15/month for 10,000 emails|
$500/month for 500,000 emails
|Elastic Email*||150,000 emails/month||$99/month for up to 50,000 contacts|
$549/month for up to 500,000 contacts
|SendinBlue||300 emails/day||19€/month for 40,000 emails|
129€/month for 350,000 emails
|Amazon SES*||62,000 emails/month for EC2 users||$0.10 per 1,000 emails, plus traffic charges. |
$0.12 per GB of attachments sent.
|AuthMailer||no free plan,|
30 day money back
|$3.32/month for 10,000 emails|
$12.49/month for 100,000+ emails
|SocketLabs||20,000 emails/month||$9.95/month for 40,000 emails|
$69.95/month for 100,000 emails
|59€/month for 50,000 emails|
279€/month for 500,000 emails
*Pay for what you send; no required contract or commitments.
Besides the Amazon SES SMTP, you can use the Amazon SES API in EasyMail7 to send email newsletters.
Be aware that Amazon SES and others ESP monitors your bounce and spam complaint rate and if it exceeds 5%, they suspend your account. So, check your email list for validity before using Amazon SES and delete bad email addresses from your contact list.
- How to use the Mailgun’s SMTP settings in EasyMail7
- How to use the SparkPost’s SMTP settings in EasyMail7
- How to use the SendGrid’s SMTP settings in EasyMail7
Dedicated Server or VPS (self-managed SMTP server)
As a dedicated SMTP server, you can use the free open source SMTP server from https://www.hmailserver.com/. You can install hmailserver to your local computer where G-Lock EasyMail7 Server is installed, or Windows Server, or Windows VPS and set EasyMail7 to use hmailserver as your SMTP server.
To effectively manage your in-house SMTP relay you will need to have a thorough understanding of e-mail delivery, including how to set up SPF, DKIM and ReverseDNS records. Most people can't do it without hiring an expert.
However, a dedicated in-house SMTP server is a good solution because the deliverability depends only on your sending practices and is not affected by other people who share the SMTP server with you.
Another good reason to choose a dedicated SMTP server is the cost effectiveness by a long shot. For those who want the cost efficiency accompanied by other features such as control, security, list and email management features, the hybrid email system EasyMail7 with a dedicated SMTP server offers a perfect balance — a cost-effective solution that does not compromise on quality.
EasyMail7 have a great deal of intelligence built-in, such as bounce handling, feedback loop analysis and automatic suppression lists which can protect your reputation by preventing redelivery to failed or complaining addresses.
Whatever SMTP server you choose EasyMail7 will work with it efficiently.
How to Enter the SMTP Server in EasyMail7
Click "Settings" -> "Email Accounts".
Click "Add New" to add a new SMTP server account.
In the appeared window enter your account name, From name, Email address, Reply email address and Bounce (Return) email address.
Click on the "Delivery options" tab.
Enter the SMTP server name and port number (usually 25).
If required, change the security protocol.
If your server requires authentication, check the "My Server Requires Authentication" option and enter your user name and password.
Сlick on the "Test" button and enter a test email address. Click OK.
If the SMTP settings are correct, you will receive an email message to your test email address saying that your SMTP settings are correct.
If the SMTP settings are not correct, the program will show you the error log. Fix the cause of failure and test the SMTP settings again.
When the test passes, click OK to save the account settings.
SMTP Servers of the Major Internet Service Providers
|AT&T Global Dialup||smtp1.attglobal.net|
|IBM Global Net||smtp1.ibm.net|
|Qwest Internet Service||pop.dnvr.qwest.net|
|SBC Yahoo DSL||smtp.att.yahoo.com|
|Wide Open West||smtp.mail.wideopenwest.com|
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