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Questions tagged [sendgrid]

46 questions
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How do I whitelist another sender (e.g. Sendgrid) for DMARC?

We host our own e-mail but use Sendgrid to send mail on behalf of a few internal PHP services that can't easily handle our mail configuration (e.g. they disallow self-signed certs by default, so getting them to connect to our server to send out…
Will Matheson
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SendGrid sent to spam on internal domain

I'm using SendGrid with a whitelabel to send email from my domain name, a-non-existent-account@example.com. The whitelabel works perfectly for outside delivery, but when sending to an inside account on O365 internal.user@example.com the messages are…
Tim Brigham
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What is wrong with my SASL?

So the story goes: I have a score of CentOS 6.9 virtual machines, migrated to Microsoft's Azure cloud by VHD upload. Once deployed I found out that Azure doesn't allow to send out email directly from the VM – I am supposed to use an external relay.…
djn
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Please help in configuring Sendgrid and HostGator mx records

I am trying to send emails through Sendgrid SMTP and unfortunately, all emails were landing to spam. Upon checking from mail-tester.com service, I got to know an error message that "You are not allowed to use one of your sender email addresses" with…
Naser Mohd Baig
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.NET, to SendGrid, to Gmail getting From Header missing

I received this message below within SendGrid that was being sent to Gmail. However this has always worked, and of course I am have a FROM email address included. Is this something else or a bug? 550 5.7.1 [208.117.55.132 11] Our system has…
exposure
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EXIM relay only if recipient is at hotmail.com

I'm currently using a relay service (mailchannels and sendgrid) to send about 200k messages per month of our cPanel services, but I'd like to route only messages that have HOTMAIL recipients (because they're the main reason for us to relay mails..…
rnehme
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Postfix: use relayhost only when direct delivery not specified

I read up on using relayhost with Postfix 2.6.6. It's possible to use different relay hosts, with different credentials, for different senders. But how do I use direct delivery with specific senders (in this case, only one sender), while all other…
Gaia
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EXIM - 550 Cannot receive from specified address - Sendgrid

We're having some intermediate issues with exim where some emails go through and then others get the 550 Cannot receive from specified address Error. This is the guide we used to setup…
user232423
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1 answer

Using a local MTA as gateway to Sendgrid

I am setting up an email system using Interspire Email Marketer with 5 user accounts, and each user has their own Sendgrid account. We are trying to build a fast system, so we have a dedicated MySQL server with lots of RAM, a web server to host the…
Charlie
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Does using a 'foreign' domain as email sender reduce email reputation?

We want to send emails through our webapp. Users of the app provide their email adresses. In some cases, we want to send transactional email from the webapp, using the current user as a sender. Does using the User's name and email adress in the…
Nils Blum-Oeste
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IIS 6 Smart Host Outbound Security

I'm using the IIS 6 smart host setting to forward all email sent through IIS to SendGrid. It works fine if I set the Outbound Security and smart host settings at the top level of the Default SMTP Virtual Server properties. But the downside with that…
thelsdj
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Configuring Postfix with other SMTP provider

I want to use SendGrid as my email sending service, but want to also use Postfix's internal queue mechanism to manage the emails sent through Sendgrid. So basically what I want to do is to configure Postfix to send emails through Sendgrid's SMTP,…
Eduard Luca
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Can I add Teammate in GCP-connected SendGrid?

We are using SendGrid from Google Cloud Platform. When I clicked on "Add Teammate" on the SendGrid admin screen, I got the following response: > You can't add any more Teammates. Upgrade Plan. Is it possible to add a Teammate in GCP-connected…
tastas
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postfix/smtpd Error : Recipient address rejected: [smtp.sendgrid.net]:2525

I am trying to figure what is the problem with my mail server on Google Cloud Platform. The problem is that none of the user can send mail out of the box, but they can send/receive email each other in spite of being on different domain on the same…
Bluelily
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How can I decide which emails go through SMTP relay?

I am using postfix configuration that use SMTP relay on Sendgrid service like this: smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd smtp_sasl_security_options = noanonymous smtp_sasl_tls_security_options = noanonymous smtp_tls_security_level…
Łukasz W.
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