Skip to content
This repository has been archived by the owner on Aug 27, 2021. It is now read-only.

Changed link to the v3 API #1861

Merged
merged 1 commit into from
Jun 6, 2016
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 4 additions & 1 deletion source/Classroom/Basics/Email_Infrastructure/smtp_ports.md
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,10 @@ navigation:
show: true
---

{% info %}
If your host will not allow any sort of SMTP connection, please try sending your email through our [v3 Mail API]({{root_url}}/API_Reference/Web_API_v3/Mail/index.html) instead of over SMTP.
{% endinfo %}

Many hosting providers and ISPs block port 25 as a default practice. When trying to connect to smtp.sendgrid.net remember that ports 25, 2525, 587, and 465 are all available for use.
You can connect via unencrypted or TLS on ports 25, 2525, and 587. You can also connect via SSL on port 465. Keep in mind that many hosting providers and ISPs block port 25 as a default practice. If this is the case, contact your host/ISP to find out which ports are open for outgoing smtp relay.

Expand All @@ -20,4 +24,3 @@ Outbound connections for emails sent via SendGrid utilize opportunistic encrypti

When sending through SendGrid's SMTP Relay, you can [add custom SMTP headers]({{root_url}}/API_Reference/SMTP_API/index.html) to control how your email is sent and what information is included.

If your host will not allow any sort of SMTP connection, please try sending your email through our [Web API]({{root_url}}/API_Reference/Web_API/index.html) instead of over SMTP.