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Email Servers

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers ele...

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Senior Technical Architect - HA/Compute/Storage

Philip is a Senior Technical Architect specializing in high availability solutions for SMB/SME businesses and hosting companies.

Troubleshooting Question

we are getting reports from a particular email sender that they are receiving NDR messages from our domain, and it is DMARC related.

11

Hello - we are getting reports from a particular email sender that they are receiving NDR messages

Advice Question

WEB Solution for Postfix logs (Linux Ubuntu 22.04).

6

Hello Experts :)


I have installed a SMTP Postfix gateway for my job.
All works fine (SPF, DKIM,

Research Question

Exchange server SMTP address

byJD
1

hi,

in an exchange server organization, how can i find the SMTP address?
What would be the common SMTP

Advice Question

Who do you use for inbound spam filtering service for on premise exchange?

3

need a suggestion for inbound spam filtering service for on premise exchange

I have a handful of

Troubleshooting Question

Internal relaying thru Microsoft 365

2

Microsoft recently made a change that has tightened security on relaying email through your 365

Troubleshooting Question

SPAM Relaying issue?

8

Problem that has originated sometime over the past couple weeks (we think) where emails that

Troubleshooting Question

Outlook crashing after adding new M365 mail account

byJD
2

Hi,

We have recently transferred some of the mailboxes from an M365 tenant to another tenant.
after

Troubleshooting Question

host some email accounts on external host to domain registered with Microsoft365

4

create forwarders from within Microsoft 365 to point to external email host with same domain

I have

Troubleshooting Question

Email Hosting service suggestions without website hosting

byYZTC
5

I am looking for an email hosting service, where I can move my domains to and just use for email. I

Advice Question

Looking for Listserv alternatives

4

I am looking for a solution for a customer. They referenced  listserv as a solution for what they

Advice Question

Please advice migrating mail relay onpremise exchange to Cloud connection

8

Please advice/guide to migrating mail relay onpremise exchange to Cloud connection.

Troubleshooting Question

DNS Switchover & SPF, DKIM, and DMARC Config (with a focus on Gmail)

8

Seeking advice on switching DNS Servers for 4 domains with a focus on how to handle Workspace

Advice Question

Integrating ProofPoint with AWS SES (Simple Email Service)

4

I have an email security company, ProofPoint, that all our mail flows thru before hitting the end

Troubleshooting Question

Missing Messages in Exchange 2019

5

Missing Messages in Exchange 2019


We have several examples of emails coming through our spam firewall

Troubleshooting Question

Stop MSP from cutting us off.

10
whats the best way to lock out an MSP from Office 365 admin portal, we have removed there admin …
Troubleshooting Question

Exchange connector - Your org vs Partner?

3

In exchange online you add a connector, you can do Your Organization/on-prem, or Partner

Advice Question

Blocked Personal Domains on Email Server

5

Hello everyone,


Due to a persistent phishing campaign, we've blocked incoming emails from personal

Troubleshooting Question

Zimbra emails Error - Missing Blob for Item 362993

2

Error msg while accusing the Zimbra emails. In a Mailbox, multiple emails are giving the below error

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

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