Questions tagged [gmail]

Free e-mail service offered by Google. Mail can be accessed through webmail or through the POP3 or IMAP4 protocols.

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32 views

Is ed25519 well supported for the DKIM validation?

Based on the Exim4 docs I have the following script: #! /bin/bash -- ED="dkim_ed25519_$(date +'%Y%m%d')" RSA="dkim_rsa_$(date +'%Y%m%d')" ## Generate private key openssl genpkey -...
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Postfix send mail only to GMail, all other domains are deferred and not sended

My Postfix server is running on Debian Stretch. It is able to send emails to a GMail address without problems which are not considered as spam. At the DNS level I configured DKIM, SPF and DMARC and ...
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37 views

Postfix not send emails to remote MX Record (same domain in localhost)

I have a domain with mydomain.com configured in a postfix server, these domain have configured MX records to Google Suite In the postfix server i have the user: user1@mydomain.com In Google Suite ...
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24 views

How to get gmail to use postfix as an SMTP server

I'm trying to get gmail to send email from my vanity domain - it understandably wants to use an SMTP server set up for that domain. I tried to configure postfix to be an SMTP server for my vanity ...
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59 views

Does Gmail require TLS for receiving mail?

I am currently working on sending e-mail in PHP directly with stream_socket_client(). This is working pretty well so far. I am able to send HTML e-mail with a DKIM signature that passes all the tests ...
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24 views

postfix sena message-id with hostname

I get messages from server as: Message ID <20200429195914.CFB9885FA4@hostname.com> ARC-Authentication-Results: i=1; mx.google.com; And as result in google notification: mailed-by: hostname.com ...
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31 views

Why are my Postfix mails recognized as Spam? [duplicate]

I have a Postfix mail that I have configured pretty good. mail-tester.com gives me a 10/10. I have tested on both Google and Yahoo, and checked their headers. Nothing seems to be wrong in the headers. ...
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35 views

Gmail couldn't verify that MyClientSite.ie actually sent this message (and not a spammer)

I'm having problems with delivery of emails from an application on a web server to Gmail. Gmail is displaying a round circle with a question mark, instead of the first letter of the sender, and ...
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22 views

A business email puzzle: Can you combine gmail for staff emails, with another server for a larger-volume sendgrid emails?

We use Google for Business for our staff emails. But we also want to send out automated emails as part of a web-app. Gmail limits the number of emails you can send with a cap (a few hundred a day?), ...
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47 views

GSuite displaying “via” next to name after DNS change

After changing over to Cloudflare GSuite has been adding "via" next to the names of incoming emails. After a quick Google search I found this: https://support.google.com/mail/answer/1311182?hl=en ...
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236 views

DKIM failure “message has been altered”

Summary I have a Mattermost server which needs to send emails out to users when they sign up, etc. These emails are failing DKIM checks and showing up in users' Gmail as spam. Observed behavior I ...
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50 views

GSuite domain alias for group

I have a Legacy GSuite account using with pleasure for several years now. Recently I've purchased another domain and I added it as alias domain to GSuite. All my current users have now personalized e-...
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How to avoid gmail orange mark and spam filter when using cloudflare proxies?

I send emails from my site via php smtp method connected to 'smtp.gmail.com' on 465, and account added to GSuite. All my emails falls in spam folder in Gmail. The kind of emails is just password ...
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45 views

Authentication required error sending email using postfix on ubuntu

I am new to this and have succeeded in setting up postfix which forward emails to my gmail account. Below is my /etc/postfix/main.cf file # See /usr/share/postfix/main.cf.dist for a commented, more ...
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37 views

Gmail dropping emails to one specific domain from AWS SES

I'm setting up email configuration for an AWS EC2 server and using postfix on the server to send emails via AWS SES. I have: Validated a domain to send email from (domain1.tld) Validated two of my ...
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42 views

Enable Security Codes only for some users

We use GSuite/Gmail and we're enforcing security keys (Yubikeys) organization-wide. As some of our users have iOS devices, we'll have to enable one-time Security Codes for users who need to ...
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312 views

How do I use an external SMTP on Google Cloud Hosting Wordpress?

We have just setup a brand new Google Cloud Hosting account and installed a WP website on it. We aren't using Gmail on it, as we want to connect outgoing mail via SMTP to our external Server. When ...
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53 views

Retrieving Gmail Mails with Outlook - sorting labels in folders

I found a little trick on how Outlook retrieves mail from Gmail and sort the labels into sub-folders. For that I created a [Gmail] label and nested every other label underneath. It works for some ...
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160 views

Change DMARC Report frequency

My current record look like this: v=DMARC1; p=quarantine; rua=mailto:varun1@varunagw.com; ruf=mailto:Varun2@VarunAgw.com; pct=100; ri=604800 Still for some reason, I receive E-Mail from Google ...
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75 views

How to authorize my VPS to use my Gmail account?

I have a Java server (WAR) that I develop and I want to add a "contact us" rest API where it will use my gmail account to send the email to me (my gmail account). On my local computer it works and now ...
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24 views

Email in csv file blocks from email to be sent

I have an email in csv file ( mm@airl.in) . This is blocking the email to be sent . If I change the email to any other domain , it works . For eg mm@airl.com or any other email. I am using the below ...
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98 views

odoo CE v12: Email configuration

I am running odoo v12 using docker-compose. Trying to configure a GSuite mailbox in such a way that mails from that mailbox are fetched via IMAP and appear in "Discuss" section of CRM. The IMAP and ...
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476 views

Forwarding to Gmail doesn't work for emails from Microsoft.com due to DMARC, but works for PayPal.com

I've noticed that I'm not getting certain emails in my Gmail and Yandex.Mail that are forwarded via UNIX systems (without SRS — not too sure if Sender Rewriting Scheme is still the best practice? ...
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94 views

Mailserver sufficient to pass as non-spam with Gmail

I am coming to the point of thinking this is beyond my ability to accomplish. I have repeatedly built new servers on Digital Ocean (3 so far) with Postfix, Dovecot, DKIM, pretty much everything out ...
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2k views

No SMTP server defined. Use real server address instead of 127.0.0.1 in your account

We have an in house MS Exchange 2016 server. It has been running well for a few years now. This is happening more and more often. A user gets a kickback stating the email was undeliverable. There ...
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230 views

lost connection after STARTTLS: google.com -POSTFIX

I am having strange problems with my postfix setup. Everything seems to work fine other then I am not able to receive emails from google.com: Aug 29 11:39:38 mx postfix/smtpd[1055]: connect from mail-...
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114 views

sendmail yesterday normal! Today receive but not deliver

yesterday i was receiving emails from my domain and directing it to the gmail server and others normally. Today he simply stopped delivering, he receives but does not forward. I'm using good old ...
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44 views

send mail from gmail via corporate SMTP server

Is it technically possible (even by misconfiguration) to Exchange Online configured in such a way that a user adds his gmail account into Outlook and uses then the corporate smtp server to send that e-...
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2answers
40 views

How does G Suite handle Google Contacts when a G Suite user is recreated?

Lets say we have John Doe as an employee at a company and he has been assigned an email address of john@company.com. A year later John leaves the company and his account becomes dormant. Another year ...
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1answer
64 views

Postfix relay outgoing emails based on recipient

I'm having trouble with Microsoft rejecting all our emails, I've contacted the Outlook.com Deliverability Support 3 times and 3 times they've told me that there's no problem with our IP and that I ...
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1answer
79 views

Logwatch Emails marked as spam; how to stop reverse DNS on bot hosts?

Is there a way to alter the Logwatch settings such that it stops performing reverse dns name resolution on all the hosts which tried to probe the server or were blocked? These URLs are causing the ...
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sendmail MTA not working with smtp relay - error service unavailable

I've been trying many days to configure sendmail with my G suit custom email address with no success. I've configured everything including TLS, AUTH, App password, and relay settings etc as per google ...
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Is it possible to use Gmail as a postfix relay with virtual domains?

As I'm getting more and more frustrated with attempting to use sendmail to send web app emails that won't be flagged as spam, I've turned my attention to using postfix instead. I've found this Linode ...
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630 views

SMTP protocol synchronization error in Exim4 when connecting from Gmail

I have a Exim 4.92 server running on a Debian machine, everything works fine. Now I want to send mails from Gmail through that Exim server, since Gmail needs an STMP server for alias addresses. ...
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Sending an email only to Gmail, never arrives

I've made all available tests that I know of: mail-tester.com gives me 10/10 with no warnings: https://www.mail-tester.com/test-4mg7k&reloaded=2 SSL is ok for both mail.stockdiv.com and stockdiv....
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22 views

hMailServer DKIM works on send, but fails on forward

Have my business mail server setup for DKIM and finally got it working so gmail will accepts messages from my business domains. However, I have an autoforwarder on some accounts to auto send messages ...
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128 views

When sending an email to Gmail, I get a delivery error email back to me

I have a VPS and when I send an email, I get a delivery error email with one of the following (the email is not in the spam, it is not being sent at all): all hosts for 'gmail.com' have been ...
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53 views

Gmail mailbox full [closed]

My issue is a client's Gmail mailbox is full. They run Gmail G-Suite for Business. I cannot track down the messages using the space. If I do the search "in:all" the result is 1-50 of 15,083. When I ...
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795 views

Abuse report for an email message from amazonses.com

I'm an AWS SES user. I'm getting emails from complaints@email-abuse.amazonses.com with this message: This is an email abuse report for an email message from amazonses.com Based on this Why do I ...
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1answer
36 views

sendmail command executes without error but not actually sending mails

I am trying to send emails from my ubuntu server using sendmail command. I ran command echo "Subject: Sendmail test" | sendmail -v <My_Id>, which ran without any errors but still I don't ...
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55 views

Using both GSuite and third party email hosting

Is it possible to use 1 domain that running simultaneously with 2 email hosting / services? I mean in my company, a management level will using g suite. On other hands, a staff level just using email ...
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1answer
91 views

smtp client setup on ubuntu desktop to use Gmail smtp server for corporate domain

How to configure SMTP client (Ubuntu desktop) to use Gmail SMTP server to send email from my desktop using postfix. This is how we login to company provided email. we login to gmail.com using ...
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1answer
518 views

DKIM signature failure only on CRON jobs

I originally posted this on askubuntu but there's been no response there. I have successfully installed Postfix and OpenDkim on my server, and it's correctly signing mail from several different ...
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1answer
302 views

exim4 showing tls_certificate and tls_privatekey not set when configured to send via Gmail via TLS 465

I have configured exim4 to send e-mails using TLS through smtp.gmail.com::465 , NOT STARTTLS through smtp.gmail.com::587. I used information provided to me that was pulled from various sources. The ...
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55 views

Emails still going to Gmail & Hotmail spam after removing host from several blacklists

As I mentioned briefly in the subject the IP address of our mail server got blacklisted a while ago. One of the sites on the server got hacked, which resulted in the addition to a couple of blacklists....
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1answer
168 views

Sync Exchange Shared Mailbox with GSuite Mail

I am going through the process of trying to get the shared mailboxes of Office 365 Exchange to sync properly with Gsuite Gmail. Background to the problem: We are a primarily Microsoft Environment so ...
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1answer
402 views

Gmail rejects messages from new exim4 setup

I have problem with delivering mails to GMail from a new server setup with configured exim4. Messages sometime passed to gmail spam folder. But sometimes it rejects immediatelly. I have attached a ...
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733 views

postfix mail server not responding + connect from unknown

Two days ago, my postfix failed without any actions from me. First, I had an issue with blocked port 25. Now this is now solved: POSTFIX Won't Start says: bind 0.0.0.0 port 25: Address already in ...
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1answer
756 views

Gmail rejects forwarded mail with DMARC but I AM using SRS

I'm forwarding mail from my domain leif@example.org to leifex@gmail.com. I have followed this: Why is Google rejecting mails forwarded from my Postfix server? Install pfix-srs. Create an spf ...
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1answer
75 views

SPF and Gmail as mail client

I have mail server hosted by some "3rd party provider" (https://www.neoserv.si/) and I want to use Gmail as email client. In Gmail I have set POP3 to copy all incoming messages and IMAP so I can send ...

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