I use CDO to send emails for years and since last month there is a strange behaviour when the recipient is yahoo. I get an error:
554 5.7.1 : Data command rejected: SMTP authentication is required for Yahoo mail delivery
However, if I enter TWO recipients separated by comma (even the same address twice), there is no problem and the mail goes ok!!!
Has anybody faced such a problem? It's crazy, isn't it?
Well it seems yahoo has introduced a new security check and do does not accept email from unauthenticated senders of any domain (my case).
So If I enter my email smtp password to send email, there is no problem at all.
Please note that I don't hav a yahoo account, my email is #otenet.gr (which permits unathenticated send mail).
PS
However, the security chek is easily bypassed by just having TWO recipients...
Related
When someone signs up they receive an email with a link they need to click to verify their email. The email comes from no_reply#domain.com
So far all clients receive this email with the exception of clients using their own domain with Office365. With these clients it's not an issue of emails going to spam - they don't receive anything at all in either their spam or their inbox.
The email is sent from a domain that uses Google Business for email.
Any ideas how to solve this issue?
I should add that if the email is forwarded manually, it does come through, just not when automatically sent.
When sending bulk emails I was receiving several error messages that said:
553 5.1.3 The recipient address <john#example.com > is not a valid RFC-5321 address.
The format of the email addresses looked completely valid so I couldn't figure out at first why these messages weren't being delivered.
Upon further inspection, I noticed that the recipient email addresses for each of the failed messages had a single space on the end. It's not as hard to see in the example I provided above, but the error report I was viewing had smaller font and would sometimes put a line break where the space was, so it wasn't as obvious. By the way, I was using the SendGrid API to send these emails, but I don't think that the issue would be unique to using SendGrid.
if you are using node.js API for sending emails to people, you just need to add .trimRight() to your recipients email address in your API, so in this way the white space will be removed and you can successfully send your email. :)
I was using Django Restful Api and my mistake was, when registering the users, I had interchanged the email field with the username field. So the Smtp server was using the username as the email address used to send the verification emails. I corrected that interchanged the fields correctly and it worked.
A bot has found a way to send bulk spam through my server. My server is not an open relay. All mails are coming from localhost. The emails are being sent from a series of FIRSTNAME_LASTNAME#mydomain.com. At mydomain, there is only 1 email account that was created that we send from.
Is there a way to restrict outgoing email that are being sent through exim to only allow emails to be sent from the 1 email account we created and block all other Sent From addressed that are being created?
You have to add the next condition to your SMTP router(s):
condition = ${if match{$sender_address}{legal#mydomain.com}{yes}{no}}
I was able to resolve this by turning on X-Headers which allowed me to locate where the emails were being executed from which in turn allowed me to eliminate an exploit from an old script.
My host has Sendmail() disabled. I'm basically looking for a way to bypass this. I want visitors to be able to send me (gmail account) an email where they first fill in their e-mail address, so they become the sender. It's for support questions and remarks.
If there is no way to bypass this, is there and alternative, perhaps using mailchimp..?
You can always use an alternative public send mail servers available. You can use one of them. Here is one Public Send Mail server list
use phpmailer library. you can send email via connecting smtp (works with gmail too.) 1st configure one of your accounts with phpmailer. when the user fills in their email set the sender as user's email.
even though you are actually sending the email through your account to receiver of the email will show as sent by user's email address.
http://phpmailer.worxware.com/
I am trying to use gmail to manage mail from an email account I have that is imap only. My strategy was to use (getmail to retrieve mail from the server and pass it through to procmail for forwarding.
This almost works. It successfully retrieves the mail and forwards it on to my gmail account. What it does not do it keep the appropriate "sent" times. That is, an email that I received 3 months ago shows up as me having received it at the time it was forwarded.
So the question is, how can I get these mails forwarded and have their original sent times honored?
You may try to enable imap in your gmail account and use imapsync:
http://freshmeat.net/projects/imapsync/