Questions tagged [sendgrid]
46 questions
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Postfix: What's my default Relay Host when sending via different relay hosts?
I know that this might seems to be a lame question but hey , let me give it a try ...
Hi, I am hosting different domains and trying to configure postfix to send mails through sendgrid for certain domains with different authentication, and the rest…

Fahad
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suspicious outgoing emails from my Microsoft Exchange Server 2013 box (sendgrid)
I have an on-site Exchange Server 2013 environment.
We use sendgrid for outgoing e-mail delivery.
I was just browsing through our sendgrid account (I don’t do that often), and I noticed a LOT of “deferred” emails in the activity feed. More…

Daniel
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How does the DKIM from SendGrid prevent me from spoofing my email adress?
I'm making use of SendGrid to send automatic emails. First I went to the whole hassle of creating a DKIM record, before I recently discovered the whole record doesn't seem to be checked anyway, because SendGrid provides it's own DKIM record.
See:…

Dirk Boer
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Sending bulk / single emails from a single domain
Let me explain our situation:
We have a web application that uses subdomains for each customer instance:
customer1.example.com
customer2.example.com
Every instance can have over 500 users, which all have entered their own email address. We send…

Basaa
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In Heroku's add-on of Sendgrid, how come I don't have to enter TXT fieldn in my DNS records?
When I used Amazon SES, I had to put TXT records in my DNS so that Yahoo/Gmail knows that the server is allowed to send from my domain name.
However, when I signed up for Heroku and Sendgrid Add-on (Free edition), I was not required to enter any TXT…

Alex
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Sendgrid - non-virtual recipients
I need some help understanding the nature of this service with relation to incoming emails.
We have adopted SendGrid for ensuring deliverability of our application's emails (automated stuff like confirmation messages, etc.) I've followed their…

DeaconDesperado
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Postfix smtp_header_checks does not prepend header, but ignores or warns
I am trying to add those headers to email sent via the postfix server:
Precedence: bulk
Auto-Submitted: auto-generated
These are the configuration files and only header_checks adds the correct header.
/etc/postfix/main.cf
#add header
header_checks…

Daniel L
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Sendgrid IP Address Consistently Blocked on RATS-Spam
Overview
For our application, we use SendGrid to send emails to many of our users. Recently over the past few weeks, our SendGrid IP addresses have been added to the RATS-Spam blacklist multiple times. In our SendGrid profile, we can find the…

su-ayoo
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Can I send emails using the php mail function with SendGrid smtp relay?
I have been trying to send emails from my app using the PHP mail function. I am currently hosted at DigitalOcean and the only way for me to send out emails is with services like SendGrid.
I have done everything according to their integration guide,…

FarrisFahad
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Do CNAME mapping of my subdomain to Sendgrid for link branding using Amazon Cloudfront CDN
I want to have link branding with SSL on my domain example.com, so I created sub-domain abc.example.com, I want this abc.example.com to CNAME to sendgrid.net.
I have done CNAME mapping but it seems abc.example.com is CNAME for…

Shivam Sharma
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How to disable Sendgrid mail relay on Postfix
I have a Sendgrid account, and have setup Sendgrid to work with my Postfix mail server. However, I would like to disable Sendgrid as a mail relay. I followed this article to set up: https://serverok.in/postfix-sendgrid
However, I am unsure how to…

Alex Douglas
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How to get unblocked from email spam servers probably thanks to Sendgrid?
Some time ago, Sendgrid had a security breach which I THINK affected the company I am working for. Right now, emails sent to popular email servers like outlook are not arriving at the customers. Sendgrid tells me the emails are getting blocked. This…

S. ten Brinke
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Does open rate of BCC affect deliverability?
Currently I BCC an internal email (records@mycompany.com) for all transactional emails, to keep records that we can easily look up
I've just realised that this might negatively affect our deliverability, since these emails are almost never opened…
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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?), and the automated emails will exceed that.
Is it…

Daniel Winterstein
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Postfix stop continuously
I just ask this question in unix.stackexchange.com but I did not get any answer. I hope will lucky in here at least. Please ignore the question's stupidity. I am a noob to linux.
I was successfully configured Sendgrid into a Google Cloud Instance…

NiroshanJ
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