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Cannot Authenticate To Server Smtp.sendgrid.net

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Tangled Mess [VerizonFiOS] by anon215. Subscribed! Why is sendgrid.net “greylisted”? Yahoo DMARC Changes "Message not accepted for policy reasons" Undeliverable Email Google Feedback Loop (Spam Complaints) Help, My emails aren't being delivered! http://stackoverflow.com/questions/25605458/sendgrid-on-compute-engine-not-working

For outbound email, Postfix goes through smtp.comcast.net:587, and authenticates using SASL.This setup has been working fine for years. Sorry if I'm not understanding. –Mark Kasson Sep 9 '14 at 0:37 Thanks for the NDCHost article. How to read your invoice I would like to request a refund. EDIT Per Costin below, I ran openssl and got: CONNECTED(00000003) 3073435324:error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol:s23_clnt.c:787: --- no peer certificate available --- No client certificate CA names sent --- SSL handshake has read 7

Invalid SMTP API header List Upload Troubleshooting My emails are displaying as "on behalf of" or "via" in some mail clients Upgrading your Whitelabel Whitelabel Video Tutorials You have used a What is the difference between subusers and multiple credentials? Forum Statistics Discussions: 53,818 Messages: 285,263 Members: 91,923 Latest Member: JIMCBYRNE Share This Page Tweet Howtoforge - Linux Howtos and Tutorials Home Forums > ISPConfig 3 > ISPConfig 3 Priority Support I am getting errors after I thought I had set everything up correctly: May 11 09:50:57 zedsaid postfix/error[22214]: 00E009693FB: to=, relay=none, delay=2466, delays=2462/3.4/0/0.06, dsn=4.7.0, status=deferred (delivery temporarily suspended: SASL authentication failed;

add a comment| 2 Answers 2 active oldest votes up vote 0 down vote Checkout this setup: https://www.wormly.com/blog/2008/11/05/relay-gmail-google-smtp-postfix/ share|improve this answer answered May 11 '11 at 17:37 jjclarkson 141116 I'll leave the telnet suggestion on though, could be useful to others, too. don't share your password! Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the

Anyone know what it is? You can not post a blank message. Some implementations of Postfix only allow passwords to contain letters and numbers, meaning you may need to ensure your SendGrid password is only alphanumeric. What now?

It will be useful to compare postfix SMTP transaction and manual-telnet transaction, in case postfix fail to send credential –masegaloeh Sep 9 '14 at 4:28 masegaloeh, you were on My Emails Are Being Blocked My Emails Are Being Dropped My Emails Are Going to Spam Spam Trapped What do I do if I'm blacklisted? Don't know your username? Adding Unsubscribe Links in Marketing Campaigns Misc A Sendgrid user is spamming me, how do I report them?

United States Copyright © Apple Inc. this contact form Certificate verification failed for smtp.sendgrid.net DNS records and underscores How do I check the headers/raw source of an email? Welcome Emails: Making a Good First Impression When Emails Are Sent Can I stop a send in progress? Send Send Index v3 Mail Send Overview cURL Examples for Common Use Cases How To Migrate From v2 to v3 Mail Send Personalizations Sandbox Mode v3 Mail Send FAQ How Emails

Four color theorem disproof? Dyson vacuum ruining carpets or not good for carpet warranty [HomeImprovement] by HBuilder328241. postfix sasl share|improve this question edited Sep 9 '14 at 7:44 masegaloeh 14.2k72566 asked Sep 8 '14 at 22:38 Mark Kasson 13617 1 Could you run tcpdump on port 12345 have a peek here Why put a warning sticker over the warning on this product?

what was I going to say again? I'll add the output above to openssl above. –Mark Kasson Sep 9 '14 at 0:26 I'm reading up on openssl s_client. Heroku Users - Find your SendGrid Credentials How to change password when integrated via AppDirect How to change the password for your SendGrid account via SoftLayer How to change the password

Yahoo DMARC Changes "Message not accepted for policy reasons" Undeliverable Email Google Feedback Loop (Spam Complaints) Help, My emails aren't being delivered!

Keeping Your Registration Form Secure Passwords How can I securely upload or download lists of suppression addresses to SendGrid? Three more notes: 1) I removed smtp_sasl_security_options = noanonymous. Wait... On verses, from major Hindu texts, similar in purport with the verses and messages found in the Bhagawat Gita How can I trust that this is google?

Does The Amazing Lightspeed Horse work, RAW? How do I add more subusers to my account? up vote 2 down vote Or using a yum (i.e., RedHat, Fedora, CentOS): yum install cyrus-sasl-plain found this solution in sendgrid docs share|improve this answer answered Oct 22 '14 at 19:03 Check This Out Safely Test Your Sending Speed Testing your connectivity to SendGrid's SMTP relay using Telnet Troubleshooting Delays and Latency DocumentationClassroomTroubleshootingAuthenticationCertificate verification failed for smtp.sendgrid.net View and Edit Certificate Verification Failed for smtp.sendgrid.net

For more advanced configuration scenarios, you'll need to refer to the Postfix documentation. Where in the analytic hierarchy is the theory of true set theory? How can tilting a N64 cartridge cause such subtle glitches? Otherwise, please open an issue or drop us a line.

These are real API calls that affect your account, possibly altering data and consuming emails. It needs to be told it's okay with:smtp_sasl_security_options = noanonymousSee »www.postfix.org/SASL_REA ··· l_policy.Thanks for your help "beachintech"! This takes care of a lot of previous configuring of main.cf, especially the creation of the SASL password file, which is nice. Not the answer you're looking for?

Apr 15, 2014 11:08 AM Helpful (0) Reply options Link to this post by MrHoffman, MrHoffman Apr 16, 2014 3:16 AM in response to frederickfromwesley Level 6 (15,647 points) Mac OS Try our newsletter Sign up for our newsletter and get our top new questions delivered to your inbox (see an example). Security Checklist SendGrid MultiAuth - Multiple Account Credentials Two-Factor Authentication FAQ SendGrid Security FAQs Whitelabel How to Setup a Domain Whitelabel Build Build Index Add Content Attachments Can I use substitution SPF Records Explained The Importance of a Physical Mailing Address What is Automated Security in the Whitelabel settings?