Mail server SMTP email send (rate) limit for popular web hosting providers
 Why do you need to know your web host's SMTP email rate limit
If you run a web site and you plan to send out mass emails (for example, a newsletter), it is advisable to send the emails using an authenticated SMTP mail server that matches the nameserver records for your own domain name. This way, your outgoing emails will not trigger anti-spam filters set to identify phishing emails or spammers. For example, if you run a web site at www.my-web-site.com, our advice is to send the emails from a SMTP server name that resolves to the same domain name (like smtp.my-web-site.com).
However, to prevent spam, many web host providers enforce email send rate limits to their customers. The goal of this article is to show you the email send rate limit and options for most popular web host providers, such as GoDaddy, FastServers, HostWay, RackSpace, iPowerWeb and more.
Web Hosting Providers - SMTP limit and email rate limits
Important note: Please do NOT take this information for granted, as your host provider can change its mail server policy without any prior notification. It is always a good idea to contact your host provider and ask about the email send rate, before proceeding with a mass email campaign.
GoDaddy Email Send Rate Limit & SMTP Restrictions
The following restrictions apply when sending emails from a web site / domain hosted by GoDaddy:
GoDaddy email send limit for shared web hosting - no more than 250 relays (recipients) per day. You can purchase additional relays, in packs of 50
GoDaddy email send limit for dedicated servers or dedicated virtual servers - no more than 1000 relays (recipients) per day.
GoDaddy other SMTP limits - outgoing messages sent via GoDaddy can not exceed 30Mb per email (including attachments)
GoDaddy SMTP restriction expiry method - the restriction is automatically lifted 24 hours after the email send limit was reached.
APlus Email Send Rate Limit & SMTP Restrictions
The following restrictions apply when sending emails from a web site / domain hosted by APlus.net:
APlus email send limit for shared web hosting - no more than 1000 recipients per mailing list AND no more than 500 emails per 30 minutes.
APlus other SMTP limits - max 7Mb for web email or max 20Mb for local email client messages
APlus SMTP restriction expiry method - N/A
RackSpace Email Send Rate Limit & SMTP Restrictions
RackSpace.com apparently has no email rate limit, however all outgoing messages must be compliant with the RackSpace Acceptable Use Policy. Rackspace may test and otherwise monitor your compliance with its requirements, and may block the transmission of e-mail that violates these provisions.
HostWay Email Send Rate Limit & SMTP Restrictions
HostWay allows customers to send emails to mailing lists, using the MailMan service. The number of mailing list subscribers depend on your hosting plan. Using a MailMan mailing list for spamming can lead to the termination of your web hosting account.
Homestead Email Send Rate Limit & SMTP Restrictions
The following restrictions apply when sending emails from a web site / domain hosted by Homestead:
Homestead email send limit for web hosting - no more than 10 messages per second. All mass emails must be compliant with the Homestead Mass Mailing Policy.
IPowerWeb Email Send Rate Limit
The following restrictions apply when sending emails from a web site / domain hosted by IPowerWeb:
IPowerWeb email send limit - no more than 200 emails per hour and 600 emails per day (for newly created account) OR no more than 500 emails per hour and 5000 emails per day.
IPowerWeb other SMTP limits - outgoing messages sent via IPowerWeb can not exceed 25Mb per email, including attachments. Mailing lists should not exceed 200 recipients.
Bluehost Email Send Rate Limit & SMTP Restrictions
The following restrictions apply when sending emails from a web site / domain hosted by Bluehost:
Bluehost email send rate limit - the default limit is set to 50 emails per hour. The limit may be raised by contacting the Bluehost support team and explaining why you need the send email limit to be lifted
Bluehost other SMTP limits - outgoing messages sent via Bluehost can not exceed 10Mb per email (including attachments)
* The HostMonster email policy is identical with the one of Bluehost.
LunarPages Email Send Rate Limit & SMTP Restrictions
The following restrictions apply when sending emails from a web site / domain hosted by LunarPages:
LunarPages email send rate limit for shared hosting plans - max 20 emails per minute, 600 emails per hour and 14400 emails per day
LunarPages email send rate limit for dedicated server plans - no limit (according to the LunarPages support forum)
1and1 (1&1) Email Send Rate Limit & SMTP Restrictions
The following restrictions apply when sending emails from a web site / domain hosted by 1and1:
1and1 email send rate limit - max 99 emails at once
1and1 Other SMTP restrictions - each outgoing message must have less than 50Mb (including attachments)
Send Email Limit for SMTP Mail Servers - The Basics.
Email SMTP rate limit for Internet access providers (Comcast, Verizon, EarthLink, etc);
Send email SMTP limit for email address providers (Google Gmail, Yahoo Mail, Hotmail, etc);
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