Explore Email Protocols on Experts Exchange

Expert Solutions for Your Tech Problems

Email Protocols

Interactions between email servers and clients are governed by email protocols. The three most common email protocols are POP, IMAP and MAPI. Most ...

Read more
  • 14K Content
  • 7.0K Contributors

Expert Spotlight
Fixer of Problems

Zippity doo dah, zippity ay, my oh my what a wonderful day!!

Advice Question

How is a third party adding text to the middle of an email we are sending to a customer.

7

We have recently been communicating with a customer about a payment. On one of the emails, the

Troubleshooting Question

Emails bouncing with 550 5.7.1

13

We recently migrated to O365.  Some of our emails are now being bounced with Status code: 550 5.7.1.

Troubleshooting Question

Email non-delivery from 3rd party help desk ticket provider

bygaz629
3

Hi,


I have a client domain, abc.com, email delivery is fine apart from when.......


emails to abc.com

Troubleshooting Question

Email

bydoubt
3

If my company wants to implement BIMI for email, does we have to buy some services ?

Or do you have a

Troubleshooting Question

Disable SMTP Open Relay on Solaris10 Sendmail

1

Looking to disable SMTP Open Relay on my Solaris 10 machine.  These servers only send email via

Troubleshooting Question

gmail alternative with regular password based authentication

16

hello all


i am looking for a free alternative to gmail


my reasons to leave gmail are the following

Advice Question

Trying to see if my email is being used by others

3

I keep finding messages under advertisements in my emails with these types of codes: They all start

Troubleshooting Question

How to prevent email going to spam folder?

8

What is the reason for email going to the recipient’s spam folder? We have more than 300 email

Troubleshooting Question

iRedmail can send/receive to/from Gmail but Exchange!

byDP230
4

Dear Experts, I got this error in iRedmail server when sending email to Exchange server. I can

Troubleshooting Question

Mail queue redirect server

byShai
19
i would like to build a server that will act as MX recieve connector and will redurect the mail …
Troubleshooting Question

android app to send image via email fails with file not found or permissions

5

I am creating an android app to send an email with attached image.
The mail arrives with no

Troubleshooting Question

We have taken over a company who has email address @aaa.com we want to keep the address but have email going to @aaa.com arrive to @bbb.com

8

We have taken over a company that has a email address of @aaa.com

Our company email address is

Troubleshooting Question
Troubleshooting Question

Preserve metadata in Outlook emails

byBill H
11
Hi, working on a legal case, and they want to preserve the metadata from Outlook emails, but they …
Troubleshooting Question

Internet failover and email

23
We have an on-prem Exchange server, 2 ISPs coming into the building and a pfSense router to handle …
Troubleshooting Question

Using CURL to send multipart/alternative email WITH encoder=quoted-printable. How?

9
Below is an example of how I currently send a multipart/alternative with CURL. I write this email in …
Troubleshooting Question

my iphone 12 is downloading email repeatedly

byCered
3
I have a phone 12 is downloading email repeatedly.  I think it may have to do with imap email …
Troubleshooting Question

SendEmail error in Powershell- SendEmail no longer works

byE=mc2
4
SendEmail was working just fine today and then all at once I got this message:

SendEmail : The term …
Troubleshooting Question

Email not Sending via CDO in MS Access

4
Hi everybody. I want to be able to send emails via CDO from a Yahoo email address in MS Access but …

Do more with Experts Exchange.


Get Answers

Join a Group Discussion

Collaborate

Monitor your Site

Explore solutions and more