> For the complete documentation index, see [llms.txt](https://eventx-hq.gitbook.io/knowledge-base/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eventx-hq.gitbook.io/knowledge-base/outreach-channel/email-configuration-and-deliverability/smtp-server.md).

# SMTP Server

If the Organisation decided to use its own SMTP server, these are the emails that will deliver via the SMTP Server

![](/files/j5DhCeEPt1ZxNQf8Uw33)

These emails will not deliver via the SMTP Server. It will still deliver via EventX Mail Server.

1. ORGANIZATION\_MANAGER\_INVITATION
2. DAILY\_REGISTRATION\_ATTENDANCE\_SUMMARY\_EMAIL (formerly ORGANIZER\_DAILY\_DIGEST\_EMAIL)
3. LOGIN\_LINK

## Email Sending Rate

1. Different SMTP Server has hard sending rate limit. For example, Office 365 rate limit is 30 emails per minute. <https://learn.microsoft.com/en-us/answers/questions/4959194/office-365-smtp-sending-limit>
2. Our sending rate is 20 emails per minute, if SMTP is implemented in the Account.

## Frequently Asked Questions

### Q: Which emails are sent via the SMTP server versus EventX's mail server?

**A:** Most event-related emails are delivered via the SMTP server, but organization manager invitations, the Daily Registration & Attendance Summary email, and login link emails are still delivered through EventX's own mail server.

### Q: What is the email sending rate when using an SMTP server?

**A:** The EventX sending rate is 20 emails per minute when SMTP is implemented. Different SMTP servers have their own rate limits — for example, Office 365 limits 30 emails per minute.