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14
votes
13answers
14k views

What issues are there in using Gmail for a corporate email solution?

Some people will feel uncomfortable with having their company email outside their company network. How to allay such fears? What other issues are there in using Google for corporate email? What are ...
10
votes
3answers
2k views

How I stop spam backscatter rendering email on my domain unusable?

Some miscreant is using non-existent accounts on my domain as a forged sender for spam emails (i.e., sdfhdfsg@mydomain.com). All the out-of-office and spam rejection emails are coming back to me ...
10
votes
3answers
3k views

Gmail rejects emails. Openspf.net fails the tests

I've got a problem with Gmail. It started after one of our trojan infected PCs sent spam for one day from our IP address. We've fixed the problem, but we got into 3 black lists. We've fixed that, ...
8
votes
5answers
1k views

Using gmail as your primary mail server

I have read that there is an option of using Gmail as your primary mail server. In the sense that you can add mx records etc and you do not have to do it on your own server. Do you think this is a ...
8
votes
2answers
3k views

Can My Personal GMail Query A Remote LDAP Server?

I have a personal GMail account, from which I frequently send e-mail to a great many various users of a specific business. The corporation has been kind enough to provide me with the credentials to ...
7
votes
9answers
4k views

Pros/Cons of switching from Exchange to GMail

We are a medium-large non-profit company, with around 1000 staff and volunteers, and have been using MS Exchange (currently 2003) for our mail system for years. I recently attended a Google ...
7
votes
2answers
2k views

GMail suspects confirmation email in stealing personal information

When user registers on my web site, web site sends user email confirmation link. Subject: Please confirm your email address Body:Please open this link in your browser to confirm your email address: ...
7
votes
1answer
22k views

Configure Postfix to send/relay emails Gmail (smtp.gmail.com) via port 587

Using Centos 5.4, with Postfix. I can do a mail foo@gmail.com subject: blah test . Cc: and the msg gets sent to gmail, but it resides in the spam folder, which is to be expected. My goal is to ...
6
votes
1answer
23k views

How to configure sendmail to send email via GMail (smtp.gmail.com), using port 465 or 587?

I have configures sendmail to send email via my GMail (Google Mail) account, i.e. via smtp.gmail.com, by editing /etc/mail/sendmail.mc and regenerating sendmail.cf: -dnl ...
5
votes
8answers
4k views

Should our company allow employees to forward their Exchange email to GMail?

Many developer prefer the GMail interface and thus forward (actually pull) all their email to GMail. Assuming we trust Google, are there any reasons why this should be disallowed? Edit: Interesting ...
5
votes
6answers
939 views

Outsource my email server to Google

I've been looking into setting up my own email server the past couple of weeks and the more I look into it the more I feel that this is an area I do not want to get into. I guess my heart just isn't ...
5
votes
3answers
4k views

Why is my email failing Gmail's DKIM test?

I have a message that was rejected by Gmail, I don't know why. It passes SPF. We aren't using DKIM. Do I need to set up DKIM? I am in control of "example.com". Our mail server is "server.example.com" ...
5
votes
2answers
3k views

Remove “via” from emails sent to Gmail from Amazon SES

When sending emails from Amazon SES, gmail shows "sent via amazonses.com". How do I remove this? According to Google, I'm a sender and I don't want my recipients to see the "via" link. What can I ...
5
votes
1answer
251 views

How to use two mail servers in parallel, if possible?

I basically want to have two separate email servers. The first one is the GoogleApps GMail service, which is for humans to use. The second server would be for sending messages from my application (so, ...
5
votes
1answer
904 views

Hybrid gmail MX + postfix for local accounts

Here's the setup: We have a domain, mydomain.com. Everything is on our own server, except general email accounts which are through gmail. Currently gmail is set as the MX record. The server also ...
5
votes
1answer
2k views

How do I config postfix to use multiple google apps user accounts?

I have a postfix installation and have setup relaying through google apps, but when I send mail to postfix it relays it to google apps using the ONE account I have specified in the main.cf. Is there ...
5
votes
1answer
549 views

Working around Gmail mailing-list “feature.”

We're using Google Apps for our domain's e-mail via IMAP. Whenever mail is sent to a mailing list, copies of the original mail are not received in inboxes. According to Google, this is a "feature." ...
4
votes
3answers
4k views

Configure DNS to forward email to google

I'm trying to reconfigure a bind record on an Ubuntu 9.04 server so that email is redirected out to gmail My existing records look like this (not the real ip) ; MX Records @ IN MX 10 mail ; ...
4
votes
1answer
1k views

Hotmail and Gmail mark emails as spam [duplicate]

Possible Duplicate: How to send emails and avoid them being classified as spam I have been developing a PHP application and one of the features in that application is the ability to send ...
4
votes
2answers
8k views

Sendmail to local domain ignoring MX records (part 2)

I have the exact problem, like in this post: http://serverfault.com/questions/25068/sendmail-to-local-domain-ignoring-mx-records I am also using email provider like GMail For Your Domain (which stores ...
4
votes
2answers
646 views

postfix to gmail error

I've set up a server with postfix for sending mails. However, when I try to send an email to a gmail account, I get the following errors: May 16 23:41:47 vps4195 postfix/smtp[15949]: certificate ...
4
votes
2answers
437 views

Digital signatures and encryption in GMail

I just wonder if there is a way to use SSL certificates or PGP keys for signing my email. At the moment I have to setup S/MIME in Outlook (or another thick client) to send signed messages via SMTP. ...
4
votes
1answer
135 views

Silently drop OUTGOING mails to us.er.n.a.me@gmail.com (more than 3 dots in username part)

With postfix-2.6.6-2.2.el6_1.x86_64 on CentOS 6.4 is there please a way to inspect OUTGOING mails and silently drop them (i.e. do not send them) if the recipient looks like us.er.n.a.me@gmail.com ...
4
votes
5answers
2k views

Why are emails sent from my applications being marked as spam?

I have 2 web apps running on the same server. The first is www.nimikri.com and the other is www.hourjar.com. Both apps share the same IP address (75.127.100.175). My server is through a shared ...
4
votes
3answers
5k views

Trouble with IIS SMTP relaying to Gmail

I appreciate that similar questions have been asked about how to setup SMTP relaying with IIS's virtual SMTP server. However I'm still completely stumped on this problem. Here's the setup: IIS 6.0 ...
3
votes
6answers
2k views

Is the sender's IP address shown in the transport header on messages sent through Gmail?

If someone sends an email from a gmail account, is it possible for me to trace the emailers IP address or does Google hide it?
3
votes
9answers
1k views

Why should a small business company have its in-house mail server?

I really don't get (because of my ignorance, of course) the advantage of having another service to update, check, mantain, backup and so on... When you have outstanding services like gmail where you ...
3
votes
5answers
296 views

Send email from local server, when email is really hosted by Gmail

I'm sure this has been asked before, but for the life of me I can't find a question that covers exactly what I'm asking. I've got a client who hosts their own domain. Godaddy's nameservers have all ...
3
votes
2answers
20k views

Easiest way to configure local SMTP server to relay through gmail on Windows?

We have gmail for our corporate email provider. I want to be able to send mail through smtp.gmail.com from ASP.NET. I have managed to do this just fine - and it has the benefit of all sent items ...
3
votes
4answers
5k views

SMTP relay through GMail overrides “from:” address with “[me]@gmail.com”

I've been trying to figure out if this is a new "feature" or if there is an issue with my configuration. I'm using Ubuntu 10.04 Desktop with Postfix as MTA. My smtp (as opposed to smtpd) ...
3
votes
6answers
2k views

Push email to a apache/php server

We've built a web service that needs to check constantly for email messages. Basically, an user sends us an email, and the server should make actions based on that email. We could use a crontab PHP ...
3
votes
2answers
2k views

Gmail flagging emails as spam despite SPF being enabled and working perfectly

I have a website where people can recommend contents to their friends using their email. The issue is that emails are being flagged as spam whereas if I do the same from my development machine things ...
3
votes
6answers
2k views

What is causing email sent from my Google Apps account to bounce?

I have started to get Delivery Status Notification (Failure) messages in response to emails sent from my Google Apps domain account (at offby1.net): Delivery to the following recipient failed ...
3
votes
7answers
12k views

What are the possible causes of this error: “Unable to > connect to ssl://smtp.gmail.com:465”?

I'm getting this error on my local machine when sending emails using (gmail's smtp + PHPMailer + CodeIgniter), which I wasn't getting on our previous office (we had to move offices). Severity: ...
3
votes
1answer
5k views

Google SMTP Error: 454 4.7.0 Too many login attempts, please try again later

I discovered that while it was possible to use Gmail/Google Apps as an SMTP server for scripted use, if too many emails were sent I started getting error messages: SMTP Error: 454 4.7.0 Too many ...
3
votes
2answers
721 views

Postfix: Can't receive external e-mails

I'm new to postfix. Sending e-mails works fine, but I can't receive external e-mails. I only have one server, so my domain name is equal the mail server name. By what I read, I don't need to configure ...
3
votes
2answers
582 views

Once mail hosting through Gmail is setup, is it easy to change web hosts?

I have a personal domain name, pointing to a simple cPanel-type shared hosting account. About six months ago, I decided that I wanted to use Google Gmail for hosting my domain name's email. In my ...
3
votes
2answers
4k views

Gmail.com detect mail as spam, but the server is not on any BlackList

I have an issue with Google. (GMail to be exact) About 1 month ago, we had a security breach, and mail was relayed through our servers. we got listed in almost ALL Black-Lists :( we fixed the ...
3
votes
2answers
1k views

How to combine SES for sending emails and Gmail for reciving

Usually I use Google Apps for business to handle my domains email send/receive needs. Today I have setup SES for one of my domains to handle email sending needs. My problem is that my understanding ...
3
votes
4answers
625 views

Bounce backs from web-generated e-mails are missing

We use Google Apps to host my company's mail. On our website, we send some e-mails on behalf of our users. In those e-mails we include lines like this: Return-Path: ...
3
votes
1answer
1k views

Problems Configuring TFS 2010 Email Notification with Office 365 Exchange Server

We are using Office 365 as our Exchange server. Our O365 account is a P1 plan and so our email accounts are not in the same domain as our local TFS accounts. I have configured TFS 2010 to use our ...
3
votes
3answers
1k views

Sign multiple domains with single Domain Key (dk-filter)

Motivation The private shopping website GILT, send periodical update emails from giltgroupe.bounce.ed10.net however all of the mails are signed with domain keys of giltgroupe.com. mailed-by ...
3
votes
1answer
1k views

Cannot send email from EC2 instance on port 587

I have written a mail service for our flask application that uses Celery and RabbitMQ to send emails (using gmail). I have got the celery consumer and producer communicating okay but I cannot get to ...
3
votes
2answers
90 views

Gmail outage only on one computer

Problem: Gmail (and only Gmail) quits working for a period of 5-10 mins only on one computer. Problem occurs several times daily Does not appear to be any "triggering event" - user is simply using ...
3
votes
1answer
777 views

How to get rid of Gmail's on “behalf of” using postfix

I'm using the default configuration of postfix on Ubuntu 9.04, and I've been trying to configure Gmail to send email through my server. I'm looking for a simple configuration for 10-15 users (like ...
3
votes
1answer
72 views

What is the benefit of using DKIM to sign Content Type?

DKIM has the ability to sign headers on a per-header basis. I looked at Google's headers, and they DKIM sign ContentType. What is the security benefit of signing ContentType?
2
votes
5answers
973 views

Reliable email service for personal use using own domain name

I have my own domain name but do not want to manage the email. I'm looking for a web-based email client (similar to Gmail) but able to use my own domain. The main requirement is reliability. I've ...
2
votes
7answers
6k views

all mails going to gmail SPAM (sendmail on centos) 127.0.0.1 problem?

UPDATE ON SPF CHECK http://www.openspf.org/Why: The SPF check gives me this: An SPF-enabled mail server rejected a message that claimed an envelope sender address of support@ourdomain.com. An ...
2
votes
2answers
7k views

How to redirect webmail.mydomain.com to https://mail.google.com/a/mydomain.com?

I have setup google apps for your domain. I want to provide a friendly way for users to go to the google login page. What is the DNS record I need to create so that: webmail.mydomain.com forwards ...
2
votes
2answers
4k views

Host my own email in a VPS and stop using gmail, which options do I have?

I'm planning to stop using some google services (like gmail for personal email, still be using for services like google code though). I'm not too paranoid, I know every service in the net is a threat ...